Chemical Name : 4-Methyl-19-nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol (as per EP)

Smiles : C[C@@]1([C@]2(O)C#C)[C@](CC2)([H])[C@@](CCC3=C4C=CC(O)=C3C)([H])[C@]4([H])CC1