CO[C@@](C)(CO)[C@H](O)CC[C@@H](C)[C@H]1CC[C@@]2(C)C3=CC[C@H]4C(C)(C)[C@@H](O)CC[C@]4(C)C3=CC[C@]12C (24R,25S)-lanosta-7,9(11)-dien-3β,24,26-triol-25-methoxy