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

11-ethyl-2,5-dimethyldipyrido[2,3-b:2',3'-f][1,4]diazepin-6-one

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

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

2-氯烟酸