11-(2-fluoroethyl)-5-methyldipyrido[2,3-b:2',3'-f][1,4]diazepin-6-one

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

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

11-cyclopropyl-5-[2-(dimethylamino)ethyl]dipyrido[2,3-b:2',3'-f][1,4]diazepin-6-one

11-ethyl-4-methoxy-5H-dipyrido[2,3-e:2',3'-f][1,4]diazepin-6-one