Levonorgestrel EP Impurity I

Chemical Name: (8S,9S,10S,13S,14S,17R)-13-ethyl-17-ethynyl-10,17-dihydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

Smile: O=C1CC[C@]2(O)[C@@]3([H])CC[C@]4(CC)[C@](O)(C#C)CC[C@@]4([H])[C@]3([H])CCC2=C1