1,2,3-trimethyl-3-phenylindol-1-ium,iodide

1-溴环丁烷羧酸甲酯

methyl 4-methoxythiophene-2-carboxylate

2-氨基-3-甲氧基苯甲酸甲酯

methyl 2-(2,6-dichloroanilino)benzoate