C=C(CC[C@@H](C)[C@H]1CC[C@@H](C2=C[C@H](O)[C@H]3C[C@@H](O)CC[C@]3(C)C2=O)[C@]1(C)CCO)C(C)C 3β,6α,11-trihydroxy-24-methylene-9,11-seco-5α-cholest-7-en-9-one