C=CC(O)(CC[C@](C)(O)[C@H]1CC[C@@H](C2=C[C@H](O)[C@H]3C[C@@H](O)CC[C@]3(C)C2=O)[C@]1(C)CCO)C(C)C (4S,4aS,6S,8aS)-2-[(1R,2S,3S)-3-[(2S)-2,5-dihydroxy-5-propan-2-ylhept-6-en-2-yl]-2-(2-hydroxyethyl)-2-methylcyclopentyl]-4,6-dihydroxy-8a-methyl-4,4a,5,6,7,8-hexahydronaphthalen-1-one