CC(C)[C@@H](C)/C=C/[C@@H](C)C1CC[C@H]2[C@@]34C=C[C@]5(C[C@@H](O)CC[C@]5(C)[C@H]3CC[C@]12C)OO4 5α,8α-epidioxy-ergosta-6,22E-dien-3β-ol