Chemical Name : 17-Hydroxy-7α-methyl-19-nor-17α-pregn-5(10)-en-20-yn-3-one; (7R,8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-7,13-dimethyl-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

Smiles : C#C[C@]1(O)CC[C@@]2([H])[C@]3([H])[C@H](C)CC4=C(CCC(C4)=O)[C@@]3([H])CC[C@]12C