.alpha.-Limonene .delta.-1,8-Terpodiene 1,8(9)-p-Menthadiene 1-Methyl-4-isopropenyl-1-cyclohexene 138-86-3 4-Isopropenyl-1-methyl-1-cyclohexene Acintene dp dipentene Cajeputen Cajeputene Cinen Cinene Cyclohexene, 1-methyl-4-(1-methylethenyl)- DL-Limonene Di-p-mentha-1,8-diene Dipenten Dipentene Eulimen Inactive limonene Kautschin LIMONENE Limonen NSC844 Nesol WLN: L6UTJ A1 DY1 & U1 p-Mentha-1,8-diene p-Mentha-1,8-diene, dl-