(S)-diethyl malate 2-(1-methyl-1-methoxyethyl ether)

ethyl (S)-2-hydroxy-4-(1',1'-dimethyl-1'-methoxy)methoxybutanoate

ethyl (S)-2-acetoxy-4-(1',1'-dimethyl-1'-methoxy)methoxybutanoate

(4S)-2,2-二甲基-1,3-二氧戊环-4-乙醛

2-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)ethyl 2-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)acetate