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US 4,544,747 AGranted
Quinoline carboxylic acid derivatives
AssigneeOtsuka Pharmaceutical Co., Ltd.
InventorsHiroshi Ishikawa, Fujio Tabasa, Kazuyuki Nakagawa
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Abstract
A quinoline carboxylic acid derivative of the general formula ##STR1## [wherein R.sup.1 and R.sup.2 are a lower alkyl group, respectively, and R.sup.3 is a halogen atom or 1-piperazinyl group] and its salt are of value as an antimicrobial agent for medical treatment and agricultural and horticultural uses.
Claims3
A quinoline carboxylic acid derivative represented by the formula ##STR5## wherein R.sup.1 is ethyl, R.sup.2 is methyl and R.sup.3 is chlorine or fluorine and its pharmacologically or agrochemically acceptable salt.
Dependencies are inferred from the claim text.