1-(4-amino-2-(ethoxymethyl)-1H-imidazo[4,5-c]quinolin-1-yl)-2-methylpropan-2-ol-D5;4-Amino-2-(ethoxymethyl)-1-(2-hydroxyisobutyl)imidazo[4,5-c]quinoline-D5; 4-Amino-2-ethoxymethyl-?,?-dimethyl-1H-imidazo[4,5-c]quinoline-1-ethanol-D5; R 848-D5; Resiquimod-D5;