9-methoxy-6-methylpyrido[2,3-b][1,5]benzoxazepin-5-one

2-羟基-7-甲氧基-2H-1,4-苯并恶嗪-3(4H)-酮

7-methoxy-4H-1,4-benzoxazine-2,3-dione

2,6-ditert-butyl-4-(6-methoxy-3H-1,3-benzoxazol-2-ylidene)cyclohexa-2,5-dien-1-one

N-(2-羟基-4-甲氧基苯基)乙酰胺