strains of escherichia coli , pseudomonas aeruginosa , staphylococcus aureus , and streptococcus pyogenes were exposed to amoxicillin , ampicillin , benzylpenicillin , carbenicillin , cefazolin , chloramphenicol , flucloxacillin , gentamicin , or oxytetracyclin .
C0030827
benzylpenicillin
C0006976
carbenicillin