C07J73/001 - CPC Classification Index

ClassID:

96597 ⎘

C07J73/001 - CPC Classification

Classification description:

Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms by one hetero atom

Sub-classes:

C07J73/003 » {by oxygen as hetero atom} 43
C07J73/005 » {by nitrogen as hetero atom} 54
C07J73/006 » {by sulfur as hetero atom} 2