124807-88-1
2-bromo-4-methyl-α-isonitrosoacetanilide
→
~75%
108938-16-5
7-溴-5-甲基吲哚啉-2,3-二酮
583-68-6
2-溴-4-甲基苯胺
608-05-9
5-甲基靛红