1,5-Dihydro-5-butyl-1,8-dimethyl-4H-imidazo(4,5-c)quinolin-4-one 133306-17-9 4H-Imidazo(4,5-c)quinolin-4-one, 1,5-dihydro-5-butyl-1,8-dimethyl- BRN 5820164