7-(4-tert-butoxycarbonylpiperazin-1-yl)-1-(4-chlorobenzyl)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid sodium salt 在
盐酸 作用下,
以
水 为溶剂,
生成
7-(4-tert-butoxycarbonylpiperazin-1-yl)-1-(4-chlorobenzyl)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid