1,5-Dihydro-1,5-dimethyl-4H-imidazo(4,5-c)quinolin-4-one 1,5-Dimethyl-1H,5H-imidazo(4,5-c)quinolin-4-one 133305-95-0 4H-Imidazo(4,5-c)quinolin-4-one, 1,5-dihydro-1,5-dimethyl-