4-(4-amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl)butaneamine 、
4-(1-吡咯烷基)苯甲酸 以to provide N1-{4-[4-amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl]butyl}-4-(1-pyrrolyl)benzamide as an off white powder, m.p. 173.0-174.9° C的产率得到N1-{4-[4-Amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl]butyl}-4-(1-pyrrolyl)benzamide