8-hydroxy-1-oxo-tetrahydropyrrolopyrazine compounds useful...
8-hydroxy-1-oxo-tetrahydropyrrolopyrazine compounds useful...
8-Oxo-5,8-dihydro-6H-dibenzo[a,g]quinolizine-13-propanoic acid d
8-oxo-5-thia-1-azabicyclo(4,2,0)oct-2-ene compounds
8-phenyl-6,9-dihydro-[1,2,4]triazolo[3,4-i]purin-5-one...
8-Quinolinxanthine and 8-isoquinolinxanthine derivatives as...
8-substituted 2-aminotetralins
8-substituted quinazolines, quinoxalines and benzopyridazines
8-substituted styryl xanthine derivatives
8-substituted-9H-1,3-dioxolo/4,5-h//2,3/benzodiazepine...
8-vinyl- and 9-ethinyl-quinolone-carboxylic acids
8-[3-amino-piperidin-1-yl]-xanthines, the preparation...