7-(Hydroxyphenyl)pyrido(3,4-d)pyridazines

7-(imidazol-1-yl)-1, 4-dihydro-4-oxo-6,8-difluoro-1-cyclopropylq

7-(Oxoalkyl)-1,3-di-n-iso-propyl xanthines and their production

7-(Oxoalkyl)-1,3-dialkyl xanthines, and medicaments containing t

7-(peptidylpyrolidinyl)naphthyridine antibacterial compounds

7-(polysubstituted pyridyl)-hept-6-endates useful for treating h

7-(r)-aminotriazolopyrimidines, the production thereof and...

7-(Substituted methyl)-3-(substituted thio)-cephalosporins, deri

7-(substituted)-8-(substituted)-9-(substituted amino)-6-demethyl

7-(substituted)-8-(substituted)-9-[(substituted glycyl)amido]-6-

7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxy

7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxy

7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxy

7-(substituted)amino)- 8-((substituted)carbonyl)-methylamino)-1-

7-(substituted)cycloalkylamino-1 -(substituted)-6-fluoro-1,4-dih

7-(substituted)piperaziny l-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3

7-.alpha.-methoxycephalosporin derivatives, and antibacterial dr

7-.alpha.Hydrazinoacetamido derivatives of cephalosporanic

7-.beta.-D-Arabinofuranosyl-7H-pyrrolo[2,3-d]pyrimidine compound

7-.beta.-Ureidoacetamido-oxacephalosporins