1H-Imidazo(4,5-c)quinolin-4-amine, 1-(2-methylpropyl)- 4-Amino-1-isobutyl-1H-imidazo(4,5-c)quinoline 99011-02-6 Aldara IMIQUIMOD Imiquimod [USAN:INN] R 837 S 26308