CY9 cy9 (3S,3aR,4S,6S,6aR,7E,10S,12R,13E,15R,15aR)-3-benzyl-6,12-dihydroxy-4,10,12-trimethyl-5-methylidene-1,11-dioxo-2,3,3a,4,5,6,6a,9,10,11,12,15-dodecahydro-1H-cycloundeca[d]isoindol-15-yl acetate CY9