COC(=O)[C@]12C(=O)[C@@H](C)O[C@@H]3OC(=O)[C@](C)(C[C@H]4[C@]5(CO5)C5=CC(=O)OC(C)(C)[C@]56O[C@@H]6C[C@@]41C)[C@@H]32	chrysogenolide B