1-cyclopropyl-7-(7-ethoxycarbonyl-5-fluoromethyl2,7-diazabicyclo[3.3.0]oct-2-yl)-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid 以
盐酸 、
乙醇 为溶剂,
生成 1-cyclopropyl-6,8-difluoro-7-(5-fluoromethyl-2,7-diazabicyclo[3.3.0]oct-2-yl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid hydrochloride