Aqueous solution containing a quinolone carboxylic acid

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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A61K 3150, A61K 31495

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active

047804653

ABSTRACT:
A stable isotonic aqueous solution of the compound 1-ethyl-6,8-difluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxoquinoline -3-carboxylic acid, or a pharmaceutically-acceptable salt thereof, having a pH of 3 to 6.5 and isotonized with a polyalcohol or boric acid is disclosed.

REFERENCES:
patent: 4017622 (1977-04-01), Minami et al.
patent: 4292317 (1981-09-01), Pesson
patent: 4528287 (1985-07-01), Itoh et al.
patent: 4551456 (1985-11-01), Katz
patent: 4670440 (1987-02-01), Szuts et al.

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