the biliary excretion of penicillin g is compared with the biliary elimination of a certain number of beta-lactam derivatives studied under the same conditions ( ampicillin , metampicillin , carbenicillin , cefalothin , cefaloridine , cefacetrile , cefalexin , cefazolin ) .
C0007735
cefalothin
C0007714
cefacetrile