2-(4-Bromo-2-nitro-phenyl)propionic Acid

2,5-二溴硝基苯

甲基丙二酸二乙酯

2,6-dibromo-3-methyl-indole

methyl 6-bromo-3-methyl-2-oxo-2,3-dihydro-1H-indole-3-carboxylate