QS210202

Sulbactam EP Impurity B;Benzylpenicillin sodium EP Impurity A;Phenoxymethylpenicillin EP Impurity C;6-Aminopenicillanic acid;Benzylpenicillin potassium EP Impurity A

Synonyms: (2S,5R,6R)-6-amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid