C07D517/12 - CPC Classification Index

ClassID:

95646 ⎘

C07D517/12 - CPC Classification

Classification description:

Heterocyclic compounds containing in the condensed system at least one hetero ring having selenium, tellurium, or halogen atoms as ring hetero atoms in which the condensed system contains three hetero rings

Sub-classes:

C07D517/14 » Ortho-condensed systems 17
C07D517/16 » Peri-condensed systems 8
C07D517/18 » Bridged systems 0
C07D517/20 » Spiro-condensed systems 2