Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17

Official title: Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, {i.e. only one oxygen bound to position 21 by a single bond}

C07J5/00 (Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17) appears on 433 US grants and 292 published applications in this corpus.