Synonyms: Dinordrin I diacetate;(2-beta,5-alpha,17-alpha)-2-Ethynyl-A,19-dinorpregn-20-yne-2,17-diol diacetate;A,19-Dinorpregn-20-yne-2,17-diol, 2-ethynyl-, diacetate, (2-beta,5-alpha,17-alpha)-;AC1MHLS8;LS-62098;[(2R,3aS,3bR,5aS,6R,8aS,8bR,10aS)-2-acetyloxy-2,6-diethynyl-5a-methyl-3,3a,3b,4,5,7,8,8a,8b,9,10,10a-dodecahydro-1H-indeno[5,4-e]inden-6-yl] acetate;70226-89-0