the acidic , neutral , and alkaline degradations of six therapeutically useful cephalosporins ( cephalothin , cephaloridine , cephaloglycin , cephalexin , cephradine , and cefazolin ) , 7-amino-cephalosporanic acid , 7-aminodeacetoxycephalosporanic acid , and some 7-substituted derivatives were followed by high-pressure liquid chromatographic , uv spectrometric , iodometric , and hydroxamic acid assays .
C0007716
cephalexin
C0007738
cephradine