| 摘要 |
To provide novel sulfate or its hydrate useful for efficiently recycling 1-cyclopropyl-7-(3-methyl-1-piperazinyl)-6-fluoro-8-methoxy-1,4-dihydr o-4-oxo-3-quinolinecarboxylic acid, the sulfate of 1-cyclopropyl-7-(3-methyl-1-piperazinyl)-6-fluoro-8-methoxy-1,4-dihydr o-4-oxo-3-quinolinecarboxylic acid or its hydrate is provided and yet its industrially useful application is provided. |
