C07J 67/00
Steroids in which the cyclopentahydrophenanthrene skeleton has been modified by expansion of
Official title: Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of two rings, each by one atom
C07J67/00 (Steroids in which the cyclopentahydrophenanthrene skeleton has been modified by expansion of) appears on 0 US grants and 2 published applications in this corpus.
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