Synonyms: 2-alpha-Methyl-A-nor-17-alpha-pregn-20-yne-2-beta,17-beta-diol;A-Nor-17-alpha-pregn-20-yne-2-beta,17-beta-diol, 2-alpha-methyl-;AC1MI3V0;LS-97457;(2R,3aS,3bS,5aS,6R,8aS,8bR,10aS)-6-ethynyl-2,3a,5a-trimethyl-1,3,3b,4,5,7,8,8a,8b,9,10,10a-dodecahydroindeno[5,4-e]indene-2,6-diol;53-38-3