3-Quaternary ammonium methyl)-substituted cephalosporin derivati

3-Quinoline carboxamides having anxiolytic activity

3-Quinoline-substituted 4-oxy-carboxamides

3-Substituted benzisothiazole, 1,1-dioxides

3-Substituted imidazo [1,2-A] pyridines

3-Substituted thio-6-amido-7-oxo-1-azabicyclo[3.2.0]-hept-2-ene-

3-Substituted-2-oxo-tetrahydro-pyrrol[1,2-a]pyrimidines having d

3-Substituted-5,6,7,8-tetrahydropyrrolo[1,2-a]-pyridine-and 6,7,

3-Substituted-5-hydroxy(mercapto)alkylidene-rhodanine derivative

3-Substituted-6-(lower-alkyl)-5-(pyridinyl)-2(1H)-pyridinones, t

3-Substituted-phenyl-6-hydrazine pyridazines

3-Substituted-tetrahydro-pyrrolo[1,2-a]pyrimidines and pharmaceu

3-Sulfonamido-benzophenonimine derivatives useful for treating v

3-Sulphonyl-benzo-1,2,4-triazine and 3-sulphonyl-benzo-1,2,4-tri

3-Tetrahaloethyl-cyclopropane-1-carboxylate esters

3-Thienyl-3-methyl-4-pentyl-2-pyridyl-ketone

3-Thiovinyl-cephalosporins

3-Thiovinylcephalosporins and pharmaceutical compositions

3-Unsubstituted-3-cephem compounds

3-[(1,3-Dithiin-5-yl)-acetamido]-cephalosporins and antibacteria