7-D-(.alpha.-Acylamino-arylacetamido)-cephalosporanic acid deriv

7-D-(.alpha.-acylamino-arylacetamido)-cephalosporanic acid deriv

7-Diethylamino-5-methyl-thiazolo[5,4-d]pyrimidine and pharmaceut

7-Dithioacetamido cephalosporins

7-Dithioacetamido cephalosporins and pharmaceutical compositions

7-Heteroaryl[1,2,4]triazolo[1,5-a]pyrimidines

7-Hydroxyestradiols

7-Hydroxyhalophenylacetamido-3-heterocyclicthiomethyl cephalospo

7-Methoxy cephalosporins

7-Methyl-8.beta.-lower alkyl or 7-methyl-8-lower alkyl B/C cis o

7-N-Heterocyclyl 1-oxa, 1-aza, and 1-carbadethiacephalosporins

7-N-Heterocyclyl cephalosporins

7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical co

7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical co

7-N-Heterocyclyl-2-substituted 1-oxadethia-cephalosporins

7-Oxoprostacyclin derivatives and their use as hypotensives and

7-Substituted aminoacetamido oxadethiacephalosporins

7-Substituted cephem compounds and pharmaceutical antibacterial

7-Substituted methyl cephalosporins derivatives and analogues th

7-Substituted-benzo-1,2,4-triazine-3-ethers