4-Phenylpiperidine compounds

4-Phenylpiperidinyl (and 4-phenyl-tetrahydropyridinyl) alkylamin

4-Piperazinyl derivatives of pyrazolo [1,5-a]-quinoxaline-3-carb

4-Piperidine acetamides

4-Piperidino-5-oxo-2-pyrazolines

4-Piperidinobutyrophenones

4-Pyridinio-5-pyrazolone salts, process for their preparation an

4-Pyridylformimidoylglycyl-D-phenylglycine

4-Pyrimidinylthioacetic acid derivatives

4-Pyrone prostaglandin antagonists

4-Quinoline and isoquinoline substituted 2,6-diamino-1,4-dihydro

4-Stilbenyl-5-cyano-1,2,3-triazoles

4-substituted 6-alkylidenandrosteine-3,17-dione derivatives and

4-Substituted amino derivatives of oleandomycin

4-Substituted amino-2-substituted thio-pyrrolo-[2,3-d]pyrimidine

4-Substituted derivatives of pyrazolo [1,5-a]-quinoxaline-3-carb

4-Substituted enkephalin derivatives

4-Substituted phenyl 4'-(5-n-alkyl-1,3-dioxan-2-yl)benzoates

4-Substituted-1-piperidinesulfonamides

4-Substituted-2, 3-dihydro-1-benzoxepin-3, 5-diones and tautomer