1-(4-aminobutyl)-1H-imidazo[4,5-c]quinolin-4-amine 、
2-(n-pentylthio)pyridine-3-carbonyl chloride 以to provide N3-[4-(4-amino-1H-imidazo[4,5-c]quinolin-1-yl)butyl]-2-(pentylsulfanyl)nicotinamide as a tan powder, m.p. 158.0-161.0°C的产率得到N3-[4-(4-Amino-1H-imidazo[4,5-c]quinolin-1-yl)butyl]-2-(pentylsulfanyl)nicotinamide