(2R)-4-acetoxy-2-(benzyloxy)-3,3-dimethylbutanoic acid

methyl 3-[(R)-4-acetoxy-2-(benzyloxy)-3,3-dimethylbutanoylamino]propanoate

(R)-3-[(R)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-2,2-dimethylpropanoate

ethyl (R)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyl-3-oxopropanoate

辅酶 A