7-[.alpha.-(Benzimidazol-2-ylcarbonylamino)-arylacetamido]ephalo

7-[.alpha.-(GUANYL-1-UREIDO)PHENYLACETAMIDO]-3-SUBSTITUTED CEPHA

7-[.alpha.-Amino- .omega.-(3,4-methylenedioxyphenyl)acylamido]ce

7-[2-(2- aminothiazol-4-yl)-2-oximino-acetamido-3-quaternary-amm

7-[2-(2-A minothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-met

7-[2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1, 1-dialkyl)alkoxyimin

7-[2-(2-Aminooxazol-4-yl)-2-(oximino)acetamido cephalosporin ant

7-[2-(2-Aminooxazol-4-yl)-2-(oximino)acetamido]cephalosporin ant

7-[2-(2-Aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido] cephal

7-[2-(2-Aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]cephalo

7-[2-(2-Aminothiazol-4-yl)-2-cyclopentyloxyiminoacetamido]-3-cep

7-[2-(2-Aminothiazol-4-yl)-2-substituted thio-acetamido] cephalo

7-[2-(2-Imino-4-thiazolin -4-yl)-2-(syn)-hydroxy-iminoacetamido]

7-[2-(2-Imino-4-thiazolin-4-yl)-2-sulfoacetamido]cephalosporins

7-[2-(5-Amino-1,3,4-thiadiazol-2-ylthio)acetamido]cephalosporins

7-[2-(Dithiocarboxylamino)alkanamido]-cephalosporanic acid deriv

7-[2-Alkoxyimino-2-(5-amino-1,2,4-thiadiazol-3-yl)acetamido]-3-c

7-[2-Alkoxyimino-2-(amino-thiazole)acetami do]-3-[1-(sulfaminoal

7-[2-Oxyimino-2-(2-aminothiazol-4-yl)acetamido]-3-(1-carboxya lk

7-[2-[(Substituted benzoyl)amino]acetamido]cephalosporins