Chemical compounds

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

Reexamination Certificate

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C548S229000

Reexamination Certificate

active

10505902

ABSTRACT:
Compounds of the formula (I), or a pharmaceutically-acceptable salt, or an in-vivo-hydrolysable ester thereof,wherein —N-HET is, for example, (Ic) or (If)wherein R1 is, for example, halogen or a (1–4C)alkyl group which is substituted by one substituent selected from, for example, hydroxy, (1–4C)alkoxy, amino, cyano or azido; Q is selected from, for example, Q1wherein R2and R3are independently hydrogen or fluoro;T is selected from a range of groups, for example,wherein m is 0, 1 or 2; are useful as antibacterial agents; and processes for their manufacture and pharmaceutical compositions containing them are described.

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