C07J21/005 - CPC Classification Index

ClassID:

96529 ⎘

C07J21/005 - CPC Classification

Classification description:

Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton Ketals

Sub-classes:

C07J21/006 » {at position 3} 49
C07J21/008 » {at position 17} 60

Recent Application in this class:

20140249120

2014-09-04

Neuroactive 13, 17-substituted steroids as modulators for GABA type-A receptors