CC(=O)O[C@@H]1C[C@H]2[C@@H]3CC[C@H]([C@H](C)CC[C@H](C)C(C)(C)O)[C@@]3(C)CC[C@@H]2[C@@]2(C)CC[C@H](O)C[C@]12O 24S-ergostane-6-acetate-3β,5α,6β,25-tetraol