Cephalosporin derivatives, and antibacterial agents

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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540222, 540225, 540226, C07D50146, A61K 31545

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active

048143286

ABSTRACT:
The compound having the formula: ##STR1## wherein R is a straight chain, branched chain or cyclic lower alkyl, a lower alkenyl or a lower alkynyl group which may be substituted by a carboxyl group, and R.sup.1 is hydrogen atom or an acetyl group; or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.

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