英文别名11β-(p-Methylaminophenyl)-17β-hydroxy-17α-(1-propynyl)estra-4,9-diene-3-one; 11β-[4-(Methylamino)phenyl]-17β-hydroxy-17-(1-propynyl)estra-4,9-dien-3-one; Ru 42633; (11,17)-17-Hydroxy-11-[4-(methylamino)phenyl]-17-(1-propyn-1-yl)-estra-4,9-dien-3-one; N-Demethyl Mifepristone; N-Desmethyl-RU 486; Desmethylmifepristone; (8S,11R,13S,14S,17S)-17-hydroxy-13-methyl-11-[4-(methylamino)phenyl]-17-prop-1-ynyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one 
