1-methyl-4H-quinoline-3-carbonitrile

10-methyl-9H-acridine-9-carbonitrile

1,3-二甲基-2-苯基-2H-苯并咪唑

1,5-Dihydro-3,10-dimethyl-pyrimido(4,5-b)chinolin-2,4(3H,10H)-dion