7-(5-Am ino-5-carboxyvaleramido)-3-(carbamoyoloxymethyl)-3-cephe

7-(5-Amino-5-carboxyvaler-amido)-3-(carbamoyloxymethyl)-7-methox

7-(5-Amino-5-carboxyvaleramido)-7-methoxycephalosporanic acid

7-(5-substituted cyclopentyl) and (5-substituted cyclopentenyl)

7-(Amidinothio)acetamido-7-methoxy cephalosporins

7-(Amino or protected amino)-3-thioheterobicyclic cephalosporins

7-(aminomethyl-oxa-7-aza-bicyclo[3.3.0]oct-7-yl)quinolonecarboxy

7-(aminomethyl-oxa-7-aza-bicyclo[3.3.0]oct-7-yl)quinolonecarboxy

7-(aryloxy)-2-naphthoxyalkanecarboxylic acid derivatives, proces

7-(Carboxy substituted .alpha.-etherified oximino arylacetamido)

7-(D-.alpha.-Hydroxy-2-arylacetamido)-3-(2-carboxyalkyl-2,3-dihy

7-(diphenylmethyl)oxy-9a-methoxymitosane

7-(n-substituted amino)-2-phenylheptanoic acid derivative and pr

7-(N-substituted-2-phenylglycinamido)-3-sub stituted-3-cephem-4-

7-(N-Substituted-2-phenylglycinamido)-3-subs tituted-3-cephem-4-

7-(Pyrimidin-4-yl)-Imidazo[1,2-a]Pyrimidin-5(1H)-ones as...

7-(Pyrimidin-4-yl)-Imidazo[1,2-a]Pyrimidin-5(1H)-ones as...

7-(S)-Acylaminocephalosporin sulfones and process

7-(substituted or unsubstituted amino) 3-substituted methyl-.sup

7-(Substituted)-7H-pyrrolo[3,2-f]quinazoline-1,3-diamines