TIANFU-CHEM 93129-94-3 (1R,3S)-5-[2-[(1R,3aR,7aS)-1-[(2R,5S)-5-hydroxy-6-methyl-heptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidene-cyclohexane-1,3-diol