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|Title:||Piperazinyl derivatives of quinoline carboxylic acids|
|Abstract:||This invention relates to new compounds of value as antibacterial agent. More particularly, it relates to piperazinyl derivatives of quinoline carboxylic acids, the hydrates, and the acid addition salts thereof.|
|Inventor(s):||Irikura; Tsutomu (Tokyo, JP)|
|Assignee:||Kyorin Seiyaku Kabushiki Kaisha (Tokyo, JP)|
1. A compound having the formula ##STR3## the hydrates, and the hydrochloride acid addition salts thereof.
2. 1-Ethyl-6-fluoro-1,4-dihydro-7-(1-piperazinyl)-4-oxoquinoline- 3-carboxylic acid.
3. 1-Ethyl-6-fluor o-1,4-dihydro-7-(1-piperazinyl)-4-oxoquinoline-3-carboxylic acid pentahydrate.
4. 1-Ethyl-6-f luoro-1,4-dihydro-7-(1-piperazinyl)-4-oxoquinoline-3-carboxylic acid hydrochloride.
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