Tetracycline derivatives as antibacterial agents

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – 3,10-dihydroxy-2-naphthacene carboxamide or derivative doai

Reexamination Certificate

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C548S528000, C548S579000

Reexamination Certificate

active

07939513

ABSTRACT:
In accordance with one aspect, the present invention provides a compound of general formula (I), its stereoisomers thereof and/or its pharmaceutically acceptable salts thereof, which have antibacterial activity; with methods of treating infectious diseases in warm blooded animals employing these new compounds.whereinR1is selected from optionally substituted alkyl.

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