5,5-二甲基-1,3-环己二酮

甲基碘

3,3-dimethyl-5-oxo-heptanoic acid

2-bromo-2,5,5-trimethyl-cyclohexane-1,3-dione

3-(1,4,4-Trimethyl-2,6-dioxo-cyclohexyloxy)-2,5,5-trimethylcyclohex-2-en-1-on