3-Keto-19-nor-.DELTA.4,9-steroids

3-Lower alkoxy-6-trichloromethylpyridazines and their use as fun

3-Lower alkylcarbamylsulfonamido-4-phenylaminopyridines, n-oxide

3-Loweralkylcarbamylsulfonamido-4-phenylaminopyridine-N-oxides,

3-Methylene flavanones and 3-methylene chromanones

3-Methyleneazetidine derivatives

3-Methylsulfonylmethyl-4-quinolinones useful for treating hypert

3-Methylthiomethyl-and 3-methylsulfinylmethyl-4-quinolinones use

3-N-Pyridinium nocardicin and antibiotic composition thereof

3-Oximes of D-17.alpha.-ethynyl-19-nortestosterone esters and me

3-Oxo-4-halo-16.beta.-methylandrost-4-ene 17.beta.-carboxylic ac

3-Oxo-5,6-dihydro-1,2,4-oxadiazines useful as antiandrogenic age

3-Oxo-5H-pyrimido[2,1-c][1,4 ]benzoxazines

3-Phenoxyazetidines for anorexigenic activity

3-Phenyl,3H 1,2,3 triazolo[4,5-b]pyridines

3-Phosphonocephalosporanic acid derivatives, and pharmaceutical

3-Piperazino-isoquinolines and salts thereof

3-Piperazinyl 1,2,4-benzothiadiazine 1,1-dioxide derivatives the

3-Piperidino or apiperazino-1-phenyl or 1-substituted phenyl iso

3-Propenyl derivatives of cephalosporin, compositions and their