1-Carboxymethyl-5-joduracil

3-氯-2-甲基-3-氧代丙酸乙酯

Ethyl 6-methoxy-1-benzofuran-2-carboxylate

2-(4-甲氧基苯基氨基)乙酸乙酯

ethyl 2-[5-(5-nitrofuran-2-yl)-2-oxo-1,3,4-thiadiazol-3-yl]acetate