16-KETO 19-NORSTEROIDS. LONG-RANGE CONFORMATIONAL EFFECTS.
D002626:Chemistry, Pharmaceutical; D008968:Molecular Conformation; D009654:Norsteroids; D012106:Research; D013256:Steroids
D009654:Norsteroids; D013256:Steroids
CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; STEROIDS