(4-amino-1-{4-[(methylsulfonyl)amino]butyl}-1H-imidazo[4,5-c]quinolin-2-yl)methyl L-valinate 、
4-amino-α,α-dimethyl-2-hydroxymethyl-1H-imidazo[4,5-c]quinoline-1-ethanol 、 N-[4-(4-amino-2-hydroxymethyl-1H-imidazo[4,5-c]quinolin-1-yl)butyl]methanesulfonamide 以The product was provided as off-white needles, mp 190-192° C.的产率得到[4-Amino-1-(2-hydroxy-2-methylpropyl)-1H-imidazo[4,5-c]quinolin-2-yl]methyl L-valinate