Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1988-07-18
1989-06-13
Raymond, Richard L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
5142302, 544 32, 544101, A61K 31535, A61K 3154, C07D49806, C07D51306
Patent
active
048393550
ABSTRACT:
Fluorinated 10-(2,6-dimethyl-4-pyridinyl)-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-d e][1,4]benzoxazine-6-carboxylic acids and -benzothiazine-6-carboxylic acids of the formula ##STR1## wherein R is hydrogen, R' is hydrogen or fluoro, R" is alkyl of 1-3 carbon atoms and X is O or S are superior antibacterial agents.
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DuPont Paul E.
Johnson Thomas L.
Raymond Richard L.
Sterling Drug Inc.
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