CC(C)C/C=C/[C@@H](C)[C@H]1CC[C@@H]2[C@]1(C)CC[C@H]1[C@]23C=C[C@]2(C[C@@H](O)CC[C@]12C)OO3 (22E)-5α,8α-epidioxy-cholesta-6,22-dien-3β-ol