1,4-二乙氧基-2-丁烯

ethyl 2-chloro-3,5-dinitrobenzoate

diethyl 2-(diethoxymethyl)propanedioate

2-氰基-戊烷二酸二乙酯

ethyl 2,4,6-tri(propan-2-yl)benzenesulfonate