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

7-(Arginylamino)-4-methylcoumarins

7-(D-. alpha.-Hydroxy-2-arylacetamido)-3-(tetrazolo-[4,5-b]pyrid

7-(N-Methyl-N-alkylamino)-1,3,5-triazaadamantanes

7-.beta.-Acylamido-3-carbamoyloxymethylceph-3-em-4-carboxylic ac

7-.beta.-Acylamino-ceph-3-ems and salts and esters therefor

7-Acetoacetamidocephem compounds

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

7-Acyl-7-arylthiocephalosporins

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

7-Acylamino-3-acyl-2(or 3)cephems

7-Acylamino-desacetoxy-cephalosporanic acid esters and their pro

7-Amino-3-(1,2,4-triazolinylthiomethyl)cephalosporins

7-Amino-3-(1,3,4-thiadiazolinylthio-methyl) cephalosporins

7-Amino-4-trifluoromethylquinolone derived substrates and method

7-Amino-cephalosporanic and decephalosporanic acid derivatives

7-Aminopropoxy chromane and chromenes

7-Aza-6-alkoxy-1-tetralones

7-Azoxy substituted-1,4-benzodiazepin-2-ones

7-Bromoquinoxal-6-yl-(thiono)-(thiol)-phosphoric and (phosphonic