SOME 20-SUBSTITUTED 21-NORPROGESTERONE DERIVATIVES.
D002626:Chemistry, Pharmaceutical; D009653:Norprogesterones; D010600:Pharmacology; D011372:Progestins; D012106:Research
D009653:Norprogesterones; D011372:Progestins
CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; PHARMACOLOGY; PROGESTATIONAL HORMONES