Not less than-95.0%
19-Norpregn-4-en-20-yn-3-one, 6,17-dihydroxy-, (17α)-; (17α)-6,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one;(8R,9S,10R,13S,14S,17R)-17-Ethynyl-6,17-dihydroxy-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one