the antibiotics tested were : benzyl-penicillin , ampicillin , cefotaxime , vancomycin , erythromycin , rifampicin , pristinamycin , gentamicin , netilmicin , tobramycin , amikacin , dibekacin and streptomycin .
C0030827
benzyl-penicillin
C0002680
ampicillin