Not Less Than - 95%
11-Methylenelynestrenol; (17α)-11-Methylene-19-norpregn-4-en-20-yn-17-ol; (8S,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-11-methylene-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol