2-(3 pyrrolidinyl)benzenemethanamine 、
5-氨基-1-环丙基-6,7,8-三氟-4-氧代-1,4-二氢-3-喹啉羧酸 以provided the title compound (0.65 g, 48%) as a bright yellow solid, mp 164°-165° C.的产率得到5-amino-7-[3-[2-(aminomethyl)phenyl]-1-pyrrolidinyl]-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid