CC(=O)O[C@@H]1C[C@H]2[C@@H]3CC[C@H](C(C)/C=C/C(=O)C(C)C)[C@@]3(C)CC[C@@H]2[C@@]2(C)CC[C@H](O)C[C@]12O (3β,5α,6β,22E)-3,5-dihydroxy-24-oxocholest-22-en-6-yl acetate