4-hydroxy-4-methylcyclohexanone-2,2-dimethyltrimethylene ketal

1,4-环己二酮单乙二醇缩酮

4-hydroxy-4-methylcyclohexa-2,5-dien-1-one

甲醇

1-isopropyl-4-methyl-2,3-dioxabicyclo[2,2,2]octane