sensitivity of 4 clinical strains of staph . aureus and e. coli to 13 hydroacridine derivatives and their combinations with antibiotics , such as benzylpenicillin , ampicillin , semi-synthetic penicillins , streptomycin , chloramphenicol , tetracycline , chlortetracycline , monomycin , oleandomycin and erythromycin was studied .
C0030827
benzylpenicillin
C0002680
ampicillin