2-(3-pyrrolidinyl)-3-pyridinamine 、
1-环丙基-6,7-二氟-1,4-二氢-4-氧喹啉-3-羧酸 以provided the title compound (1.15 g, 91%) as an off-white solid, mp >270° C.的产率得到7-[3-(3-amino-2 pyridinyl)-1 pyrrolidinyl]-1-cyclopropyl-6-fluoro-1,4-dihydro-4 oxo-3-quinolinecarboxylic acid