7-acyl-3-(substituted carbamoyloxy) cephem compounds

7-acyl-3-(substituted carbamoyloxy) cephem compounds and process

7-acyl-3-(substituted carbamoyloxy) cephem compounds and process

7-acyl-3-(substituted carbamoyloxy) cephem compounds and process

7-Acyl-3-(substituted tetrazolyl thiomethyl)cephalosporins

7-Acyl-3-(substituted triazolyl thiomethyl)cephalosporins

7-Acyl-3-(sulfaminoalkyl substituted tetrazolylthiomethyl)cephal

7-Acyl-3-(sulfoalkyl substituted oxadiazolylthiomethyl) cephalos

7-Acyl-3-(sulfoalkyl substituted oxadiazolylthiomethyl) cephalos

7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thi

7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thi

7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thi

7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thi

7-Acyl-3-(ureidoalkyl substituted tetrazolylthiomethyl) cephalos

7-Acyl-3-(ureidoalkyl substituted tetrazolylthiomethyl)-cephalos

7-Acyl-3-(ureidoalkyl substituted tetrazolylthiomethyl)cephalosp

7-Acyl-7-arylthiocephalosporins

7-Acylamine-3-(sulfoalkyl substituted oxadiazolylthiomethyl) cep

7-acylamino-(or 7-amino)-3-trifluoromethylsulfonyloxy-1-carba(1-

7-Acylamino-3-(1-car boxymethylthioethyltetrazolyl-5-thiomethyl)