4-allyl-1,7-dimethyl-1,4-dihydro-9H-pyrazolo[4,3-b]quinolin-9-one 、
4-(3-iodopropyl)-1,7-dimethyl-1,4-dihydro-9H-pyrazolo[4,3-b]quinolin-9-one 以
4-[4-(DIMETHYLAMINO)BUTYL]-1,7-DIMETHYL-14-DIHYDRO-9H-PYRAZOLO[4,3-b]QUINOLIN-9-ONE HYDROCHLORIDE 为溶剂,
生成
4-{3-[ethyl(methyl)amino]propyl}-1,7-dimethyl-1,4-dihydro-9H-pyrazolo[4,3-b]quinolin-9-one