malonyl-CoA

三乙酸

2,2-dimethyl-6-(2-oxopropyl)-4H-1,3-dioxin-4-one

5-(1-hydroxy-3-oxobutylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

2,2-dimethyl-5-(3-oxobutanoyl)-1,3-dioxane-4,6-dione