High progestational activity of 19-norprogesterone.
D009653:Norprogesterones; D011374:Progesterone / Q000031:analogs & derivatives; D013256:Steroids
D009653:Norprogesterones; D013256:Steroids; C030703:19-norprogesterone; D011374:Progesterone
PROGESTERONE/derivatives