CC(=O)O[C@H]1[C@H]2[C@@H](C[C@@H](O)[C@@]3(O)C[C@@H](O)CC[C@]23C)[C@@H]2CC[C@H](C(C)C3C[C@]3(C)[C@H](C)C(C)C)[C@@]2(C)[C@H]1O 11α-acetoxy-gorgostane-3β,5α,6β,12α-tetraol