Synonyms: .gamma.-Terpinene;1,4-cyclohexadiene, 1-methyl-4-(1-methylethyl)-;1,4-p-Menthadiene;1-Isopropyl-4-methyl-1,4-cyclohexadien;1-Isopropyl-4-methyl-1,4-cyclohexadiene;1-Isopropyl-4-méthyl-1,4-cyclohexadiène;1-Isopropyl-4-methylcyclohexa-1,4-diene;1-Methyl-4-isopropyl-1,4-cyclohexadiene;252-034-2;1-methyl-4-(propan-2-yl)cyclohexa-1,4-diene