5-Octen-2-one, 6-methyl-4-(2-methyl-1-propenyl)- 6-Methyl-4-(2-methyl-1-propenyl)-5-octen-2-one 6-Methyl-4-(2-methyl-1-propenyl)oct-5-en-2-one 67801-40-5 EINECS 267-160-3