2-(3,4-二甲氧基苯氧基)乙酸

4-(甲氧基羰基)-1-哌啶乙酸乙酯

ethyl 2-[(4-acetylphenyl)hydrazinylidene]-2-chloroacetate

ethyl 2-(2-methylbenzimidazol-1-yl)acetate

ethyl 2-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)acetate