(+-)-Isosylvestrene (+-)-m-Mentha-1,8-diene 1-Methyl-3-(1-methylethenyl)cyclohexene 1413-20-3 17092-79-4 20111-86-8 3-Isopropenyl-1-methylcyclohexene 38738-60-2 499-03-6 644-99-5 Carvestrene Cyclohexene, 1-methyl-3-(1-methylethenyl)-