La mid ah:

Avibactam Impurity 37;AvibactaM; Sulfuric acid mono[(1R,2S,5R)-2-(aminocarbonyl) -7-oxo-1,6-diazabicyclo[3.2.1] oct-6-yl] ester;Avibactam acid free; (E) -7-fluoro-3-methylhept-4-en-2-hal;Avibactam,(2S,5R) -7-Oxo-6-(sulfooxy) -1,6-diazabicyclo[3.2.1] octane- 2-carbox amide; (2S,5R) -2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1] octan-6-ylhydrogensulfate;(2S,5R) -7-Oxo-6-(sulfooxy) -1,6-diazabicyclo[3.2.1] octane-2-carbox amide

Cufnaanta:1.85

PKA:-4.59±0.18 (La saadaaliyay)