Descriptions for C07J and notes/indexes are displayed on this screen.
C07J
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STEROIDS (seco-steroids C07C)[2]
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Note(s)
This subclass covers compounds containing a cyclopenta[a]hydrophenanthrene skeleton or a ring structure derived therefrom:[4,7,8]by contraction or expansion of one ring by one or two atoms,by contraction or expansion of two rings each by one atom,by contraction of one ring by one atom and expansion of one ring by one atom,by substitution of one or two carbon atoms of the cyclopenta[a]hydrophenanthrene skeleton, which are not shared by rings, by hetero atoms, in combination with the above defined contraction or expansion or not, orby condensation with carbocyclic or heterocyclic rings in combination with one or more of the foregoing alterations or not. Attention is drawn to Note (3) after class C07, which defines the last place priority rule applied in the range of subclasses C07C-C07Kand within these subclasses.Therapeutic activity of compounds is further classified in subclass A61P.
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Subclass indexes
NORMAL STEROIDS | containing halogen or oxygen | oxygen other than as ring hetero atom | 1/00, 3/00, 5/00, 7/00, 9/00, 11/00, 13/00, 15/00 | oxygen as ring hetero atom | 17/00, 19/00, 21/00 | containing sulfur | 31/00, 33/00 | containing nitrogen | 41/00, 43/00 | other steroids | 51/00 | STEROIDS WITH MODIFIED SKELETON | retrosteroids | 15/00 | nor-, homosteroids | 61/00, 63/00, 65/00, 67/00, 69/00 | condensed with carbocyclic rings | 53/00 | heterosteroids | 71/00, 73/00 | PREPARATION OF STEROIDS IN GENERAL | 75/00 |
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