Synthesis of 5-alpha,6,6-trifluoro-3-keto and 6,6-difluoro-delta-4-3-keto steroids.
D000728:Androgens; D000818:Animals; D002626:Chemistry, Pharmaceutical; D066298:In Vitro Techniques; D011372:Progestins; D011817:Rabbits; D051381:Rats
D000728:Androgens; D011372:Progestins