(2-methyl-3-oxocyclohexen-1-yl) trifluoromethanesulfonate

3-乙氧基-2-甲基-2-环己烯-1-酮

2-ethyl-2-methyl-cyclohexane-1,3-dione

2-methyl-3-[4-(ethylthio)butoxy]cyclopent-2-en-1-one

2-methyl-2-[4-(ethylthio)butyl]cyclohexane-1,3-dione