7-(4-amino-piperazinyl)- or 7-(4-chloro-piperazinyl)quinolinone

7-(4-aminomethyl-3-me thyloxyiminopyrrolidin-1-yl)-1-cyclopropyl

7-(4-aminomethyl-3-methyloxyiminopyrrolidin-1-yl)-1- cyclopropyl

7-(4-aminomethyl-3-methyloxyiminopyrroplidin-1-yl)-1-cyclopropyl

7-(4-oxa or 4-thia-2,7-diazabicyclo[3.3.0]oct-2-en-3-yl)-3-quino

7-(4-Pyridyl)-1,8-naphthyridine derivatives and their antibacter

7-(4-[4-aminophenyl)sulphonyl]-1-piperazinyl fluorquinolonic der

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

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

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

7-(Alpha-methyl-alpha-alkenyl)substituted 8-hydroxyquinolines an

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-(Arginylamino)-4-methylcoumarins