however , we have found that such a strain susceptible to 0.06 mug of penicillin per ml and 0.56 mug of methicillin per ml produces beta-lactamase ( s ) which hydrolyzes penicillin g , methicillin , 6-aminopenicillanic acid , and probably cephaloridine .
C0030842
penicillin
C0025643
methicillin