1,2,3,4,5,6-Hexahydro-1,1,5,5-tetramethyl-7H-2,4a-methanonaphthalen-7-one, EINECS 245-859-4, 7H-2,4a-Methanonaphthalen-7-one,1,2,3,4,5,6-hexahydro-1,1,5,5-tetramethyl, isolongifolen-9-one, 9-Oxoisolongifolan-7-en, 1,2,3,4,5,6-Hexahydro-1,1,5,5-tetramethyl-2,4a-methanonaphthalen-7(4aH)-one