6-Isopropyl-2-methyl-4-oxo-cyclohex-2-encarbonsaeure-aethylester, BB_NC-0301, (+-)-Ethyl-5-oxo-m-menth-6-en-2-carboxylat, ethyl 6-(isopropyl)-2-methyl-4-oxocyclohex-2-ene-1-carboxylate, 3-Methyl-5-isopropyl-4-carbethoxy-2-cyclohexene-1-one, 2-Methyl-6-(1-methylethyl)-4-oxo-2-cyclohexen-1-carbonsaeure-ethylester, 6-isopropyl-2-methyl-4-oxo-cyclohex-2-enecarboxylic acid ethyl ester, EINECS 246-010-0, ethyl 2-methyl-4-oxo-6-(propan-2-yl)cyclohex-2-ene-1-carboxylate