64504-52-5 Cyclonona(c)pyran-1,9-diol, 4-(1,2-bis(acetyloxy)-4-methyl-3-pentenyl)-1,4a,5,6,9,10,11,11a-octahydro-7-methyl-11-methylene-, diacetate, (1R-(1R*,4(1R*,2R*),4aS*,7E,9R*,11aR*))- Xenicin