5-methyl-2-(1-methylethylidene)cyclohexanone1-Isopropylidene-4-methyl-2-cyclohexanone4(8)-p-Menthen-3-onePulegone5-Methyl-2-isopropylidenecyclohexanone1-Methyl-4-isopropylidene-3-cyclohexanonep-menth-4(8)-en-3-one(+-)-Pulegone5-Methyl-2-(1-methylethylidene)cyclohexanone