Claim 1: Composition comprising: at least one selected antibiotic aztreonam: amikacin, ciprofloxacin, amoxicillin, chloramphenicol, clindamycin, Colistin, cefpirome,Ceftriaxone, cefotaxime, cefepime, daptomycin, erythromycin, cefixime, Fosfomycin, lmipenem, linezolid, cefuroxime, Cefpodoxime, meropenem, piperacillin, rifampicin, sinercid, tigecycline,Vancomycin, sulbactama, ceftaroline, cefiderocol (S - 649266) or bal30072； and at least one Compound of formula (1), where r is selected from - so₃h or cf₂co₂h； r¹ is selected from h, ch₂ - nh₂,Conh₂ or a heteroaryl 5 members comprising at least two nitrogens； b is a remainder formula (2) or is ch₂ and B is c = nor⁴； R² is a hydrogen Atom or a 4 to 10 Member heterocycleS partially or fully saturated, unsaturated and aromatic, which comprises at least one nitrogen Atom, unsubstituted or substituted with one or more t¹, preferably not replaced； r³ is H,Or oxazolilo； or R² and r³ along with the carbon Atom to which they are United to form a selected Cycle: the remains of formula (3) or formula (4), where y is s u s or, preferably,And r⁵ is c₂₋₃ alkyl - nh₂； r⁴ is ₂nh₂ (ch₂) - or - ch₂conh₂； t¹, identical or different,Independently represents a Fluorine Atom； (ₘoq¹ ch₂)； (ch₂) ₘ - CN, - (ch₂) ₘ OC - (OR) - (q¹； ₘ ch₂) - C (o) - (oq¹； ch₂) ₘ OC - (OR) - (ch₂) ₘ oq¹； nq¹q²； OC - (OR) - (ₘ ch₂) - C (o) - (ₘ nq¹q²； ch₂) - C (o) - (onq¹q²； ch₂) - C (ₘNq¹oq² - (OR)； ₘ ch₂) - C (o) - nq¹ nq¹q²； - (ch₂ ₘ nq¹c) - (OR) - (q²； ch₂ ₘ nq¹s) - (OR) - (₂nq¹q²； ch₂ ₘ nq¹s) - (OR) - (₂q²； ₘ ch₂) - S (o) ₂nq¹q²； - (ch₂ ₘ nq¹c) - (OR) - (oq²； ch₂ ₘ nq¹c) - (OR) - (nq¹q²； ch₂) ₘ - nq¹q²； - (ch₂) ₘ - NH - C (= nhq³ nq⁴ - (CH)；₂) ₘ - NH - ch = nq³； - (ch₂ ₘ) - C (= nq⁴ nhq³)； (X) - (ₚoq¹ ch₂)； (X) - (-) - ₙ ch₂)； (X) - (ch₂) ₚ - OC (or q¹； (X) ₙ) - (ch₂) - C (o) - oq¹； (X) - (ch₂) ₚ - OC (or oq¹)； (X) - (ch₂) ₚ - OC (or nq¹q²)； (X) - (ₙ ch₂) - C (o) - (X nq¹q²； ₙ) - (ch₂) - C (o) onq¹q)； (X) - (ₙ ch₂) - C (o) - nq¹oq²； (X) - (ₙ ch₂) - C (o) - nq
