4-Hydroxy-3-nitro-quinoline-2(1H)-ones

4-Hydroxy-3-quinoline-carboxylic acid derivatives

4-Hydroxy-7-(substituted)phenylpteridines

4-Hydroxy-naphthpyridine-2(1H)-one-3-carboxylic acids and esters

4-Hydroxy-pyrido[2,3-b]pyridine-2(1H)-one-3-carboxylic acids and

4-Lower alkyl-3-phenoxypyridine-1-oxide and a method for its pro

4-N,N-Dimethylcarbamoyloxy-6-aminopyrimidines and salts thereof,

4-Oxo-2-carboxyl quinoline derivatives used as antiallergic comp

4-Oxo-4H-pyrano[3,2-c]quinoline-2-carboxylic acids and salts the

4-Phenyl-1,3-benzodiazepines

4-Phenyl-4,5,6,7-tetrahydro-thieno [2,3-c]pyridines, composition

4-Phenyl-4,5,6,7-tetrahydro-thieno(2,3-C)pyridines and salts the

4-Phenyl-8-amino-tetrahydroisoquinolines and antidepressant use

4-Phenyl-and 5-phenyl-1,4,5,6-tetrahydro-pyrimidine derivatives

4-Phenyl-and 5-phenyl-1,4,5,6-tetrahydropyrimidine derivatives

4-Pregnene-derivatives, a process for their preparation, composi

4-Pyridine carbonyl phenyl 1,2,4 triazoles

4-Pyridylimidazolones and method of use

4-Pyrimidones compositions, and methods of use

4-Pyrimidyl sulfides for the treatment of gastric ulcers