Synonyms: 3,5-Dihydro-3,5-dibutyl-4H-imidazo(4,5-c)quinolin-4-one monohydrochloride;3,5-n-Di-n-Butyl-3H,5H-imidazo(4,5-c)quinolin-4-one hydrochloride;4H-Imidazo(4,5-c)quinolin-4-one, 3,5-dihydro-3,5-dibutyl-, monohydrochloride;AC1MIQ3R;LS-80523;3,5-dibutylimidazo[4,5-c]quinolin-4-one hydrochloride;134049-71-1