CC(C)[C@@H](C)/C=C/[C@@H](C)[C@H]1CCC2=C3[C@H](O)[C@@H]4O[C@@]45C[C@@H](O)CC[C@]5(C)[C@H]3CC[C@@]21C (22E,24R)-5α,6α-epoxy-ergosta-8(14),22-diene-3β,7α-diol