4-(1H-imidazol-5-yl)cyclohexan-1-one

环己酮-4-甲醛

methyl 4-[2-(4-oxocyclohexyl)ethyl]benzoate

4-(6-methyl-4-oxoheptan-2-yl)cyclohexan-1-one

4-(6-methyl-4-oxohept-5-en-2-yl)cyclohexene-1-carbonitrile