英文别名(6R,8R,9S,10R,13S,14S,17R)-17-ethynyl-6,17-dihydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one; 6|A-Hydroxynorethindrone; 6|A-Hydroxynorethisterone; 6|A,17|A-Dihydroxy-19-nor-17|A-pregn-4-en-20-yn-3-one; 6|A,17|A-Dihydroxy-17|A-ethynylestr-4-en-3-one; 4-ESTREN-17-ALPHA-ETHYNYL-6-BETA, 17-BETA-DIOL-3-ONE; 6-BETA-HYDROXYNORETHINDRONE; Norethisterone EP impurity H; Norethindrone EP Impurity H; 6-beta-Hydroxynorethindrone (Norethindrone IMpurity H); (6BETA,17BETA)-6,17-DIHYDROXY-19-NORPREGN-4-EN-20-YN-3-ONE; (6β,17α)-6,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one; 6β,17β-Dihydroxy-17α-ethynylestr-4-en-3-one 
