Synonyms: Ampicillin Sodium Imp. A (EP), Benzylpenicillin Potassium Imp. A (EP), Cloxacillin Sodium Imp. C (EP), Dicloxacillin Sodium Imp. C (EP), Flucloxacillin Sodium Imp. C (EP), Oxacillin Sodium Imp. A (EP), Phenoxymethylpenicillin Potassium Imp. C (EP), Piperacillin Sodium Imp. H (EP), (2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid,6-Aminopenicillanic Acid, Amoxicillin Trihydrate Imp. A (EP)