6-乙酰基-2H-1,4-苯并噁嗪-3(4H)-酮

2-(2-chloro-acetylamino)-4-ethyl-phenol

2-氨基-4-乙基苯酚

6-氯乙酰基-2H-1,4-苯并恶嗪-3(4H)-酮

2H-1,4-苯并噁嗪-3(4H)-酮