英文别名
(11β,17α)-17-acetoxy-11-methyl-19-norpregna-4-en-3,20-dione;17α-acetoxy-11β-methyl-19-norpregn-4-ene-3,20-dione;norprogesterone;[(8R,9S,10R,11S,13S,14S,17R)-17-acetyl-11,13-dimethyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate