Chemical Name : 6α,17-Dihydroxy-19-nor-17α-pregn-4-en-20-yn-3-one 17-acetate

Smiles : C#C[C@]1(OC(C)=O)CC[C@@]2([H])[C@]3([H])C[C@H](O)C4=CC(CC[C@]4([H])[C@@]3([H])CC[C@]12C)=O