7-甲氧基-2H-苯并[b][1,4]噁嗪-3(4H)-酮

6-甲氧基-2-苯唑啉酮

ethyl 2-(5-methoxy-2-nitrophenoxy)acetate

2-羟基-7-甲氧基-2H-1,4-苯并恶嗪-3(4H)-酮

1,5-二甲氧基-2,4-二硝基苯