bis(4,4-dimethyl-2,6-dioxo-1-cyclohexyl) sulfide

5,5-dimethyl-3-p-toluidino-cyclohex-2-en-one-p-tolylimine

2,2-dimethyl-4-oxocyclopentane-1-carboxylic acid

3-bromo-5,5-dimethyl-cyclohex-2-ene

四氯化碳