1,5-Dihydro-5-butyl-1-(phenylmethyl)-4H-imidazo(4,5-c)quinolin-4-one 1-Benzyl-5-n-butyl-1H,5H-imidazo(4,5-c)quinolin-4-one 133305-98-3 4H-Imidazo(4,5-c)quinolin-4-one, 1,5-dihydro-5-butyl-1-(phenylmethyl)-