Synonyms: (17beta)-17-ethynyl-17-hydroxyestr-4-en-3-one - (17beta)-17-ethynylestra-1(10),2,4-triene-3,17-diol (1:1);(8R,9S,10R,13S,14S,17R)-17-Ethinyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-on--(8R,9S,13S,14S,17R)-17-ethinyl-13-methyl-7,8,9,11,12,13,14,;(8R,9S,10R,13S,14S,17R)-17-Ethinyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-on--(8R,9S,13S,14S,17R)-17-ethinyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3,17-diol(1:1);(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one - (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,13,1;(8R,9S,10R,13S,14S,17R)-17-éthynyl-17-hydroxy-13-méthyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tétradécahydro-3H-cyclopenta[a]phénanthrén-3-one - (8R,9S,13S,14S,17R)-17-éthynyl-13-méthyl-7,8,9,11,12,13,1;(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one - (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (1:1);(8R,9S,10R,13S,14S,17R)-17-éthynyl-17-hydroxy-13-méthyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tétradécahydro-3H-cyclopenta[a]phénanthrén-3-one - (8R,9S,13S,14S,17R)-17-éthynyl-13-méthyl-7,8,9,11,12,13,14,15,16,17-décahydro-6H-cyclopenta[a]phénanthrène-3,17-diol (1:1);15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3,17-diol(1:1);4,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (1:1);4,15,16,17-décahydro-6H-cyclopenta[a]phénanthrène-3,17-diol (1:1)