16α, 17α-Epoxy Exemestane

Chemical Name: (6aR,6bS,8aS,8bS,9aR,10aS,10bR)-6a,8a-dimethyl-2-methylene-1,2,6a,6b,7,8,8a,8b,9a,10,10a,10b-dodecahydro-4H-naphtho[2',1':4,5]indeno[1,2-b]oxiren-4-one

Smile: O=C1C=C[C@@]2(C)C(C(C[C@]3([H])[C@]2([H])CC[C@@]4(C)[C@@]3([H])C[C@@H]5[C@H]4O5)=C)=C1