4-(4-amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl)butaneamine 、
5-丁基吡啶-2-羧酸 以to provide N2-{4-[4-amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl]butyl}-5-butyl-2-pyridinecarboxamide as a tan solid, m.p. 54.9-55.2° C的产率得到N2-{4-[4-Amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl]butyl}-5-butyl-2-pyridinecarboxamide