反应详情

A method of treating an industrial waste liquor containing 1-cyclopropyl-7-(3-methyl-1-piperazinyl)-6-fluoro-8-methoxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid (gatifloxacin), comprising adding aqueous sulfuric acid to said liquor to form a sulfate of said gatifloxacin, and/or a hydrate of said sulfate; and the sulfate, and/or hydrate of said sulfate, made by said method.

1. additionA method of treating an industrial waste liquor