6-(3H-1,3-benzothiazol-2-ylidenemethylimino)cyclohexa-2,4-dien-1-one

ethyl 2-oxo-1,3-benzoxazole-3-carboxylate

3,4-二氢-2H-4-苯并噁嗪-2-羧酰胺

6-prop-2-enylpyrido[2,3-b][1,5]benzoxazepin-5-one

3-苯甲酰基-2-苯并噁唑酮