C/C(C[C@@H](C)[C@H](C)C(C)C)=C1/C[C@H](O)[C@H]2[C@@H]3C[C@@H](O)[C@@]4(O)C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C (23R,24R)-23,24-dimethylcholesta-17(20)-en-3β,5α,6β-triol