Chemical Name : (22E)-26,27-Dinorcholesta-4,22-diene-3,24-dione

Smiles : O=C1CC[C@@]2(C)C(CC[C@]3([H])[C@]2([H])CC[C@@]4(C)[C@@]3([H])CC[C@]4([H])[C@@H](/C=C/C(C)=O)C)=C1