ClassID:

95139

C07D319/12 - CPC Classification

Classification description:

Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms 1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings

Recent Application in this class:
#1
20260055128
2026-02-26

ORGANONICKEL INTERMEDIATES USEFUL FOR CARBOXYLATION OF SUBSTRATES WITH CARBON DIOXIDE

#2
20260055076
2026-02-26

PROCESS AND SYSTEM FOR REMOVING LACTIDE FROM A LACTIDE-CONTAINING GAS STREAM

#3
20260022106
2026-01-22

METHOD FOR PRODUCING LACTIDE COMPLEX

#4
20250340543
2025-11-06

GPR84 ANTAGONISTS AND USES THEREOF

#5
20250326735
2025-10-23

METHOD AND SYSTEM FOR CONTINUOUSLY PREPARING LACTIDE BY STEP CONTROL

#6
20250326721
2025-10-23

SSAO INHIBITORS AND USE THEREOF

#7
20250325970
2025-10-23

CATALYST FOR POLYESTER DEPOLYMERIZATION OR CYCLIC ESTER SYNTHESIS, PREPARATION METHOD THEREFOR AND USE THEREOF

#8
20250188052
2025-06-12

PROCESS FOR SEPARATING MIXTURES OF LACTIDES AND GLYCOLIDE

#9
20250100991
2025-03-27

METHOD FOR PROCESSING LACTIDES

#10
20250028244
2025-01-23

ACETAL MODIFIER, POLYMER, CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION, AND RESIST PATTERN FORMING PROCESS

#11
20240425438
2024-12-26

PROCESS FOR MANUFACTURING LACTIC ACID

#12
20240398720
2024-12-05

CATIONIC POLYMERS

#13
20240368341
2024-11-07

VALORISATION OF D-LACTIC ACID STREAM BY L/D SEPARATION IN THE PRODUCTION PROCESS OF L-POLYLACTIC ACID

#14
20240368110
2024-11-07

PROCESS FOR PURIFYING MESO-LACTIDE

#15
20240360092
2024-10-31

DUAL MODULATOR OF MGLUR5 AND 5-HT2A RECEPTOR, AND USE THEREOF

#16
20240343703
2024-10-17

PLANT AND EFFICIENT PROCESS FOR PRODUCING LACTIDE FROM LACTIC ACID

#17
20240343702
2024-10-17

ISOLATION METHOD FOR LACTIDE RACEMATE

#18
20240343671
2024-10-17

METHOD FOR LACTIDE AND LACTIC ACID RECOVERY AT POLYLACTIDE (PLA) PRODUCTION STEPS

#19
20240327384
2024-10-03

SALTS AND SOLID STATE FORMS OF A KIF18A INHIBITOR COMPOUND

#20
20240327373
2024-10-03

FLUOROLACTONE AND METHOD FOR PRODUCING SAME

#21
20240294464
2024-09-05

SYNTHESIS OF RESTRAINED COMPLEXING AGENTS

#22
20240293318
2024-09-05

CLEAVABLE LINKER-CONTAINING IONIZABLE LIPIDS AND LIPID CARRIERS FOR THERAPEUTIC COMPOSITIONS

#23
20240287017
2024-08-29

A METHOD FOR SYNTHESIZING GLYCOLIDE

#24
20240199794
2024-06-20

Monomers and Polymers with Pendant Aspirin and Compositions and Methods Thereof

#25
20240140928
2024-05-02

METHOD AND DEVICE FOR THE PRODUCTION OF LACTIDE

#26
20240043397
2024-02-08

PROCESS FOR THE PRODUCTION OF LACTIDE

#27
20230416220
2023-12-28

PROCESS FOR REFINING GLYCOLIDE AND GLYCOLIDE OBTAINED THEREFROM

#28
20230339851
2023-10-26

CXCR6 SULFONAMIDE COMPOUNDS

#29
20230181482
2023-06-15

LIPIDS FOR DELIVERY OF NUCLEIC ACID SEGMENTS

#30
20230174500
2023-06-08

PRODRUGS OF ALPHA-KETOGLUTARATE, ALPHA-KETOBUTYRATE, ALPHA-KETOISOVALERATE, AND ALPHA-KETOISOHEXANOATE, AND USES THEREOF

#31
20230159524
2023-05-25

METHODS FOR SYNTHESIZING N-(PHENYLSULFONYL)BENZAMIDE COMPOUNDS AND INTERMEDIATES THEREOF

#32
20230094928
2023-03-30

Synthesis method of lactide by confinement effect catalysis of crystalline porous polymer material

#33
20230091528
2023-03-23

GPR84 ANTAGONISTS AND USES THEREOF

#34
20230059919
2023-02-23

METHOD FOR PURIFYING MAGNESIUM CHLORIDE SOLUTIONS

#35
20230026801
2023-01-26

SSAO inhibitors and use thereof

#36
20230000773
2023-01-05

NOVEL HEADGROUP LIPID COMPOUNDS AND COMPOSITIONS FOR INTRACELLULAR DELIVERY OF THERAPEUTIC AGENTS

#37
20220281804
2022-09-08

Cyclic diones as herbicidal compounds

#38
20220274939
2022-09-01

Dual modulator of mGluR5 and 5-HT2A receptor, and use thereof

#39
20220267292
2022-08-25

High yield, eco-friendly recycling method of polylactic acid using supercritical or dense gas carbon dioxide

#40
20220064139
2022-03-03

Fluorolactone and method for producing same

#41
20220041570
2022-02-10

Method for preparation of fluoro alkylated 1,4-dioxene by homogeneous Ni catalysis

#42
20210408601
2021-12-30

ELECTROLYTE AND ELECTROCHEMICAL DEVICE

#43
20210371392
2021-12-02

FLUOROLACTONE AND METHOD FOR PRODUCING SAME

#44
20210369866
2021-12-02

Biodegradable lipids for delivery of nucleic acids

#45
20210355100
2021-11-18

Glycolide Production With Low Solid Residue

#46
20210347754
2021-11-11

Glycolide Production From Methyl Polyglycolate

#47
20210347753
2021-11-11

Process for preparing glycolide

#48
20210188823
2021-06-24

Method for producing diarylpyridine derivatives

#49
20210188799
2021-06-24

Synthesis method and device for rapidly producing lactide at high yield

#50
20210147360
2021-05-20

SSAO inhibitors and use thereof

#51
20210113483
2021-04-22

Cationic polymers

#52
20210087162
2021-03-25

GLYCOLIDE PRODUCTION METHOD

#53
20210083325
2021-03-18

Non-aqueous electrolyte secondary cell

#54
20210066753
2021-03-04

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

#55
20210017146
2021-01-21

Method for producing glycolide

#56
20210002248
2021-01-07

Glycolide production method

#57
20200392102
2020-12-17

Method for producing cyclic ester

#58
20200388880
2020-12-10

Silicon-based energy storage devices with electrolyte additive compounds

#59
20200325113
2020-10-15

Prodrugs of alpha-ketoglutarate, alpha-ketobutyrate, alpha-ketoisovalerate, and alpha-ketoisohexanoate, and uses thereof

#60
20200222558
2020-07-16

Biodegradable lipids for delivery of nucleic acids

#61
20200087449
2020-03-19

Cyclic poly L-lactic acid

#62
20200076000
2020-03-05

NON-AQUEOUS ELECTROLYTE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

#63
20200014066
2020-01-09

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

#64
20190375724
2019-12-12

PROCESS FOR PREPARING A CYCLIC DIESTER OR A CYCLIC DIAMIDE BY REACTING A HYDROXYCARBOXYLIC ACID OR AMIDE WITH AN ACIDIC BEA-TYPE (H-BETA POLYMORPH A) ZEOLITE

#65
20190367471
2019-12-05

Process for preparing cyclic esters from alpha-hydroxy esters and catalysts used therein

#66
20190352460
2019-11-21

Polyglycerol compositions

#67
20190330175
2019-10-31

Method for producing α-hydroxycarboxylic acid dimeric cyclic ester

#68
20190330174
2019-10-31

Single step lactide production process with recovering water by decantation

#69
20190326640
2019-10-24

Nonaqueous electrolyte secondary battery

#70
20190300491
2019-10-03

Salt of quinazoline derivative, preparation method therefor and application thereof

#71
20190194387
2019-06-27

METHOD OF PREPARING GLYCOLIDE

#72
20190169156
2019-06-06

Single step lactide production process with separate entry for solvent

#73
20190169155
2019-06-06

Single step lactide production process with hydrolysis of oligomers and catalyst by recovered water

#74
20190161466
2019-05-30

Single step lactide production process with heat recovery

#75
20190152939
2019-05-23

Method of purifying cyclic ester

#76
20190047976
2019-02-14

Method for synthesizing lactide by means of catalysis of lactid acid

#77
20190047975
2019-02-14

Processes for preparing heteroatom containing cyclic dimers

#78
20190031646
2019-01-31

Amine-containing cyclic hydrofluoroethers and methods of using the same

#79
20190016696
2019-01-17

Method of recovering lactide

#80
20180346682
2018-12-06

Method of recovering lactide

#81
20180312484
2018-11-01

Process for the preparation of sofosbuvir

#82
20180305495
2018-10-25

Aliphatic poly(ester)s with thiol pendant groups

#83
20180272005
2018-09-27

Biodegradable lipids for delivery of nucleic acids

#84
20180272004
2018-09-27

Biodegradable lipids for delivery of nucleic acids

#85
20180272003
2018-09-27

Biodegradable lipids for delivery of nucleic acids

#86
20180272002
2018-09-27

Biodegradable lipids for delivery of nucleic acids

#87
20180244606
2018-08-30

Farnesoid X receptor agonists and uses thereof

#88
20180155747
2018-06-07

Lactate Production Process

#89
20180155313
2018-06-07

Method and device for manufacturing lactide

#90
20180057476
2018-03-01

Production of meso-lactide, D-lactide and L-lactide by back biting of polylactide

#91
20180030025
2018-02-01

Method for manufacturing lactide

#92
20170342205
2017-11-30

Halogenated cyclic diesters, related polymers, and methods for their preparation and use

#93
20170246319
2017-08-31

Biodegradable lipids for delivery of nucleic acids

#94
20170114036
2017-04-27

Process for preparing cyclic esters and cyclic amides

#95
20170107192
2017-04-20

HETEROATOM CONTAINING CYCLIC DIMERS

#96
20170101390
2017-04-13

Method and apparatus for preparation of lactide using lactide purification process

#97
20170009008
2017-01-12

Process for Making Chemical Derivatives

#98
20160311793
2016-10-27

Production of meso-lactide, D-lactide, and L-lactide by back biting of polylactide

#99
20160299071
2016-10-13

Quantification method of impurities in lactide

#100
20160236112
2016-08-18

METHOD FOR PRODUCING GLYCOLIDE, WHICH IS PROVIDED WITH RECTIFICATION STEP BY MEANS OF GAS-LIQUID COUNTERCURRENT CONTACT, AND METHOD FOR PURIFYING CRUDE GLYCOLIDE

#101
20160207883
2016-07-21

Aromatic compound and use thereof

#102
20160185899
2016-06-30

Functionalized polymer compositions

#103
20160087309
2016-03-24

Compound and electrolyte of lithium secondary battery containing the same

#104
20160075631
2016-03-17

Low-toxicity olefinic ester compositions and methods of using the same

#105
20160068505
2016-03-10

Process for recovering and improving production of meso-lactide from a crude lactide containing stream

#106
20160060454
2016-03-03

Functionalized polymer compositions

#107
20160058734
2016-03-03

Heteroarylcarboxylic acid ester derivative

#108
20160039782
2016-02-11

Technological method for synthesis of optically pure L-/D-lactide catalyzed by biogenic guanidine

#109
20160024045
2016-01-28

Chiral compounds, compositions, products and methods employing same

#110
20160024043
2016-01-28

Process and apparatus for purification of a stream containing a cyclic ester of an alpha-hydroxycarboxylic acid

#111
20160016151
2016-01-21

Method for producing lactide directly from lactic acid and a catalyst used therein

#112
20160009856
2016-01-14

MANUFACTURING METHOD OF LACTIDE FROM LACTIC ACID

#113
20160002197
2016-01-07

Method for producing glycolide

#114
20160002196
2016-01-07

Method for producing glycolide

#115
20150376159
2015-12-31

Process for preparing cyclic esters and cyclic amides

#116
20150329516
2015-11-19

Device and method for separating a cyclic diester from polymer melts

#117
20150284404
2015-10-08

Benzyl sulfonamide compounds useful as MoGAT-2 inhibitors

#118
20150266849
2015-09-24

Method for the production of cyclic diesters, in particular dilactide

#119
20150259320
2015-09-17

Method for producing glycolide, which is provided with rectification step by means of gas-liquid countercurrent contact, and method for purifying crude glycolide

#120
20150239863
2015-08-27

Method for producing lactide directly from lactic acid and a catalyst used therein

#121
20150191444
2015-07-09

Heteroatom containing cyclic dimers

#122
20150152449
2015-06-04

Lactate Production Process

#123
20150104403
2015-04-16

Cationic polyglyceryl compositions and compounds

#124
20150104402
2015-04-16

CATIONIC POLYGLYCERYL COMPOSITIONS AND COMPOUNDS

#125
20150099733
2015-04-09

Heteroarylcarboxylic acid ester derivative

#126
20150080369
2015-03-19

Compounds

#127
20150065732
2015-03-05

Method for preparing refined lactide from recovered polylactic acid

#128
20140343298
2014-11-20

METHOD FOR PRODUCING GLYCOLIDE

#129
20140330029
2014-11-06

Production of cyclic acetals or ketals using solid acid catalysts

#130
20140316097
2014-10-23

METHOD AND APPARATUS FOR RECOVERING LACTIDE FROM POLYLACTIDE OR GLYCOLIDE FROM POLYGLYCOLIDE

#131
20140309264
2014-10-16

Acylamino-substituted fused cyclopentanecarboxylic acid derivatives and their use as pharmaceuticals

#132
20140249306
2014-09-04

HIV replication inhibitor

#133
20140187798
2014-07-03

Method for preparing lactide using an ionic solvent

#134
20140044661
2014-02-13

Cationic polyglyceryl compositions and compounds

#135
20140031566
2014-01-30

Recovery of lactic acid values from a meso-lactide stream

#136
20140024769
2014-01-23

PROCESS FOR MAKING CHEMICAL DERIVATIVES

#137
20140012043
2014-01-09

Method for removal of the cyclic diester of a 2-hydroxy alkanoic acid from a vapor

#138
20130338132
2013-12-19

Heteroarylcarboxylic acid ester derivative

#139
20130324697
2013-12-05

Method for the manufacture of a polyhydroxy-carboxylic acid

#140
20130267718
2013-10-10

Amide gellant compositions containing isosorbide

#141
20130267716
2013-10-10

Method of preparing lactide from lactate

#142
20130225787
2013-08-29

Process for manufacturing lactic acid

#143
20130224137
2013-08-29

SKIN LIGHTENING COMPOSITIONS

#144
20130224136
2013-08-29

Chiral compounds, compositions, products and methods employing same

#145
20130209392
2013-08-15

Heteroatom containing cyclic dimers

#146
20130209391
2013-08-15

Functionalized polymer compositions

#147
20130116448
2013-05-09

Process for the manufacture of a cyclic diester of an alpha-hydroxyacid

#148
20130060051
2013-03-07

Process for the preparation of L-lactide of high chemical yield and optical purity

#149
20130046075
2013-02-21

Process for gamma-butyrolactone production

#150
20130030008
2013-01-31

Acylamino-substituted fused cyclopentanecarboxylic acid derivatives and their use as pharmaceuticals

#151
20130023674
2013-01-24

Lactide Production from Thermal Depolymerization of PLA with applications to Production of PLA or other bioproducts

#152
20120330032
2012-12-27

Production of cyclic acetals or ketals using solid acid catalysts

#153
20120322875
2012-12-20

4-((phenoxyalkyl)thio)-phenoxyacetic acids and analogs

#154
20120316349
2012-12-13

Acrylate ester derivatives and polymer compounds

#155
20120315681
2012-12-13

Process for producing a monomer component from a genetically modified polyhydroxyalkanoate biomass

#156
20120302724
2012-11-29

MANUFACTURING METHOD OF LACTIDE FROM LACTIC ACID

#157
20120295874
2012-11-22

Coferons and methods of making and using them

#158
20120289713
2012-11-15

Method for producing glycolide

#159
20120245321
2012-09-27

MANUFACTURING LACTIDE FROM LACTIC ACID

#160
20120226041
2012-09-06

CATALYSTS AND BORONATE ESTERS

#161
20120157520
2012-06-21

Dioxanes derived from regrouping carbohydrates and C-glycosides, process for obtaining same and uses thereof

#162
20120149920
2012-06-14

Method for the production of a mixture of lactide derivatives

#163
20120116100
2012-05-10

SYSTEM AND METHOD FOR PRODUCING POLYHYDROXYCARBOXYLIC ACID

#164
20120095240
2012-04-19

Recovery of lactic acid values from a meso-lactide stream

#165
20120093753
2012-04-19

CATIONIC POLYGLYCERYL COMPOSITIONS AND COMPOUNDS

#166
20120087882
2012-04-12

Cationic polyglyceryl compositions and compounds

#167
20120035341
2012-02-09

PROCEDE DE POLYMERISATION PAR VOIE CATALYTIQUE DE 1,4-DIOXANES-2,5-DIONES ET LES POLYMERES CORRESPONDANTS

#168
20120015936
2012-01-19

Substituted tetrahydronaphthalenes, method for the production thereof, and use thereof as drugs

#169
20120004324
2012-01-05

Process for preparing cyclic esters comprising unsaturated functional groups and polyesters prepared from same

#170
20110318292
2011-12-29

Environmentally benign plasticizers based on derivatives of acetone

#171
20110306749
2011-12-15

Methods for producing lactide with recycle of meso-lactide

#172
20110294875
2011-12-01

4-((phenoxyalkyl)thio)-phenoxyacetic acids and analogs

#173
20110288312
2011-11-24

Method for storing and transporting cyclic diesters

#174
20110263875
2011-10-27

Production process of glycolide

#175
20110263428
2011-10-27

5-heterocyclylalkyl-3-hydroxy-2-phenylcyclopent-2-enones as herbicides

#176
20110190512
2011-08-04

Method of obtaining lactide

#177
20110178043
2011-07-21

Inhibitors of the mevalonate pathway of

#178
20110155557
2011-06-30

Method for obtaining lactide

#179
20110152531
2011-06-23

Dioxolane and dioxane derivatives and a process for their preparation

#180
20110152290
2011-06-23

Acylamino-substituted fused cyclopentanecarboxylic acid derivatives and their use as pharmaceuticals

#181
20110098438
2011-04-28

Production process of α-hydroxy acids

#182
20110077380
2011-03-31

Carbohydrate lactone polymers

#183
20110060112
2011-03-10

Acrylate ester derivatives and polymer compounds

#184
20110008461
2011-01-13

INHIBITOR SCAFFOLD FOR THE INHIBITION OF THE ENZYME PHOSPHOENOLPYRUVATE CARBOXYKINASE

#185
20100331512
2010-12-30

Method for producing cyclic diesters of L-, D- and D,L-lactic acid

#186
20100316951
2010-12-16

Salt and photoresist composition containing the same

#187
20100298578
2010-11-25

Catalyst for direct conversion of esters of lactic acid to lactide and the method for producing lactide using the same

#188
20100267970
2010-10-21

Process for the production of cyclic diesters of alpha-hydroxyacids

#189
20100252076
2010-10-07

Condensation and washing device, polymerisation device and method for cleaning process steam during the production of polylactide

#190
20100249362
2010-09-30

APPARATUS AND METHOD BOTH RELATING TO POLYMER SYNTHESIS

#191
20100168446
2010-07-01

Method for purification of cyclic ester

#192
20100160650
2010-06-24

Stable lactide particles

#193
20100113806
2010-05-06

PRODUCTION OF CYCLIC DIESTERS OF ALPHA-HYDROXYACIDS

#194
20100099893
2010-04-22

Purification of lactide rich streams

#195
20100056806
2010-03-04

C-H bond amination and olefin aziridination with β-diketiminato copper catalysts

#196
20100041902
2010-02-18

Cyclic alkyl substituted glycolides and polylactides therefrom

#197
20100010276
2010-01-14

Process for preparing tetramethyl glycolide

#198
20100004471
2010-01-07

Purification of p-dioxanone

#199
20100004470
2010-01-07

4-((phenoxyalkyl)thio)-phenoxyacetic acids and analogs

#200
20090318716
2009-12-24

Method for purifying hydroxycarboxylic acid, method for producing cyclic ester, and method for producing polyhydroxycarboxylic acid

#201
20090318713
2009-12-24

PROCESS FOR MANUFACTURING A CYCLIC DIESTER OF AN A-HYDROXY ACID

#202
20090298949
2009-12-03

Aminoalkylphenols, methods of using and making the same

#203
20090258835
2009-10-15

Compounds that stimulate glucose utilization and methods of use

#204
20090233900
2009-09-17

2-aminobenzamide derivatives

#205
20090156840
2009-06-18

Production of cyclic diesters of alpha-hydroxyacids

#206
20090138041
2009-05-28

Halogenated Cyclic Lactones and Polymers Made Therefrom

#207
20090018116
2009-01-15

Therapeutic Compounds

#208
20080312237
2008-12-18

Amide derivatives as ion-channel ligands and pharmaceutical compositions and methods of using the same

#209
20080306231
2008-12-11

Novel perfluoroalkyl vinyl ether compound, process for preparing copolymer by using the compound, and optical plastic materials comprising copolymer prepared by the process

#210
20080234500
2008-09-25

Purification process for lactide

#211
20080214842
2008-09-04

Process for purifying hydroxycarboxylic acid, process for producing cyclic ester, and process for producing polyhydroxycarboxylic acid

#212
20080176947
2008-07-24

Heterocyclic-Substituted Alkanamides Useful as Renin Inhibitors

#213
20080146822
2008-06-19

Stable lactide particles

#214
20080132715
2008-06-05

Stable lactide particles

#215
20080125599
2008-05-29

Stable lactide particles

#216
20080004454
2008-01-03

Method for recovering lactide from polylactic acid or derivative thereof

#217
20080004453
2008-01-03

Method for synthesis of 2,5-dioxane-1,4-diones

#218
20070293653
2007-12-20

Process for producing glycolide and glycolic acid oligomer for production of glycolide

#219
20070149525
2007-06-28

Methods of treating amyloidosis using aryl-cyclopropyl derivative aspartyl protease inhibitors

#220
20070142461
2007-06-21

Cyclic alkyl substituted glycolides and polylactides therefrom

#221
20070135496
2007-06-14

Substituted benzylaminoalkylene heterocycles

#222
20070042936
2007-02-22

Multivalent inhibitors of serum amyloid P component

#223
20070037943
2007-02-15

Process for preparing perfluoroalkyl vinyl ether copolymer and copolymer

#224
20060247449
2006-11-02

Method for purifying glycolide

#225
20060149085
2006-07-06

Long chain (C22-C50) polyunsaturated hydrocarbons, derivatives, synthesis and uses thereof

#226
20060105002
2006-05-18

Preparation of lactic acid derivatives and their use

#227
20060025474
2006-02-02

Bisphenyl compounds useful as vitamin D3 receptor agonists

#228
20050282710
2005-12-22

Substituted benzoylcyclohexanediones as herbicides

#229
20050234265
2005-10-20

Aminoalkylphenols, methods of using and making the same

#230
20050234121
2005-10-20

Vegetable based dioxanone derivatives, synthesis and uses thereof

#231
20050222379
2005-10-06

Method and apparatus for synthesis of lactide

#232
20050222200
2005-10-06

Amide derivatives as ion-channel ligands and pharmaceutical compositions and methods of using the same

#233
20050182133
2005-08-18

Compounds that stimulate glucose utilization and methods of use

#234
20050148800
2005-07-07

Perfluoroalkyl vinyl ether compound, process for preparing copolymer by using the compound, and optical plastic materials comprising copolymer prepared by the process

#235
20050107469
2005-05-19

4-((phenoxyalkyl)thio)-phenoxyacetic acids and analogs

#236
20050090630
2005-04-28

Supported group 8-10 transition metal olefin polymerization catalysts

#237
20050090381
2005-04-28

Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors

#238
20050043532
2005-02-24

Direct synthesis of di-heteroatom containing cyclic organic compounds

#239
20050004093
2005-01-06

Beta-lactamase inhibitor prodrug