N-(4-bromo-2-fluorophenyl)-2-hydroxyacetamide

2-氨基-5-溴苯酚

一氯代乙酰氯

7-氨基-2H-1,4-苯并恶嗪-3(4H)-酮

2H-1,4-苯并噁嗪-3(4H)-酮