| 摘要 |
The invention relates to nitrogenous heterocyclic compounds, the preparat ion thereof and the use thereof as antibacterial medicaments, the compounds of general formula (I) in which R1 is a (CH2)n-NH2 or (CH2)n-NHR radical, wh erein R is a (C1-C6) alkyl and n is equal to 1 or 2; R2 is a hydrogen atom; R3 and R4 together form a nitrogenous heterocycle of aromatic nature with 5 vertices, containing 1, 2 or 3 nitrogen atoms, optionally substituted with o ne or more R' groups, wherein R' is selected from the group comprising a hyd rogen atom and alkyl radicals containing from 1 to 6 carbon atoms, in free f orm, in the form of zwitterions, and in the form of salts with pharmaceutica lly acceptable mineral or organic bases and acids.
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