1,2,3,5,6,7-Hexahydro-1,1,2,3,3-pentamethyl-4H-inden-4-one 155667-06-4 33704-61-9 4H-Inden-4-one, 1,2,3,5,6,7-hexahydro-1,1,2,3,3-pentamethyl- 6,7-Dihydro-1,1,2,3,3-pentamethyl-4(5H)-indanone Cashmeran EINECS 251-649-3