Epoxy Metradiene

Chemical Name: (4aS,4bS,5aS,6aS,7R,9aS,9bS,11S)-7-acetyl-7-hydroxy-4a,6a,11-trimethyl-5a,6,6a,7,8,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2(4aH)-one

Smile: O=C1C=C[C@@]([C@@]23[C@@](C[C@@]([C@@](O)(C(C)=O)CC4)(C)[C@]4([H])[C@]3([H])C[C@@H]5C)([H])O2)(C)C5=C1