3-{4-[1-(1-{4-fluorophenyl}-3-ethoxycarbonyl-4-oxo-6-fluoro-7-quinolyl)-4-piperazinyl]butyl}-6-(3-ethyl-4-methylanilino)uracil 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
生成 3-{4-[1-(1-{4-fluorophenyl}-3-carboxy-4-oxo-6-fluoro-7-quinolyl)-4-piperazinyl]butyl}-6-(3-ethyl-4-methylanilino)uracil