monobasic beta-lactam antibiotics such as apalcillin , cloxacillin , nafcillin , piperacillin , cefmetazole , cefoperazone , cefpiramide and cephalothin significantly inhibited the uptake of pcg , while amphoteric beta-lactam antibiotics such as amoxicillin , ciclacillin , cephradine , cephalexin and cephaloridine had a slight inhibitory effect on the uptake of pcg .
C0007738
cephradine
C0007716
cephalexin