Synonyms: BRN 3009493;2-Ethynyl-20,21,21-trifluoro-A-nor-17alpha-pregn-20-ene-2beta,17-diol;2-alpha-Ethynyl-20,21,21-trifluoro-A-nor-17-alpha-pregn-20-ene-2-beta,17-beta-diol;A-Nor-17-alpha-pregn-20-ene-2-beta,17-beta-diol, 2-alpha-ethynyl-20,21,21-trifluoro-;A-Norpregn-20-ene-2,17-diol, 2-ethynyl-20,21,21-trifluoro-, (2beta,17alpha)-;52-47-1;Dicyclopenta(a,f)naphthalene-1,7-diol, 7-ethynylhexadecahydro-8a,10a-dimethyl-1-(1,2,2-trifluoroethenyl)-, (1S,3aS,3bR,7R,8aS,8bS,10aS)-;AC1L43NP;LS-97382;2-ethynyl-3a,5a-dimethyl-6-(1,2,2-trifluoroethenyl)-1,3,3b,4,5,7,8,8a,8b,9,10,10a-dodecahydroindeno[5,4-e]indene-2,6-diol;7-ethynyl-8a,10a-dimethyl-1-(trifluoroethenyl)hexadecahydrodicyclopenta[a,f]naphthalene-1,7-diol