2-methyl-6-(1,4-dioxaspiro[4.5]decan-8-yl)heptan-4-one

三乙基-1,3,5-戊烷三羧酸酯

对环己酮甲酸乙酯

lithium enolate of 4-methylpentan-2-one

1,4-二噁螺[4.5]癸烷-8-甲醛