CC(C)[C@@H](C)[C@H]1C[C@@H]1[C@@H](C)C1CCC2[C@]1(C)CCC1[C@]23C=C[C@]2(C[C@@H](O)CC[C@]12C)OO3 (22R,23R,24R)-5α,8α-epidioxy-22,23-methylene-24-methylcholest-6-en-3β-ol