4-(3-Isopropylamino-2-hydroxypropoxy indene

4-(3-Nitrophenyl)-2,3,5,6-pyridinetetracarboxylic acid and inter

4-(3-Oxo-4-trifluoromethyl-1-octenyl)-2-oxo-2H-cyclopenta[b]fura

4-(4'-Hydroxycyclohexyl)-2,2,6,6-tetramethyl piperidines

4-(4-Hydroxy- or acetoxy-3-carbomethoxyphenylazo)-benzenesulphon

4-(Acyloxyphenyl)-quinazolin-2(1H)-ones

4-(Carboxamidoethyl) piperidines

4-(Di-n-propyl)amino-1,3,4,5-tetrahydrobenz[cd]indole

4-(Formylthio)azetidinones and ozonization process therefor

4-(Hydrazonomethyl)benzoic acid hydrazide

4-(Hydroxy-substituted-amino)-furo[3,2-c]pyridines

4-(M,M'-DI-T-BUTYL-P-HYDROXYPHENYL) BUTYL-2 COMPOUNDS

4-(M,M'-Di-t-butyl-p-hydroxyphenyl)-butyl-2-diamides

4-(M-benzoylphenyl)butyric acid derivatives

4-(Monoalkylamino)benzoic acid amides and imidates

4-(O,O-Diester phosphoryloxy)cyclohex-4-en-1,2-carboxylic anhydr

4-(OR 5 OR 6 OR 7)CYANO-2-NITRO-3-PHENYLBENZOFURANS

4-(Polyalkoxy phenyl)-2-pyrrolidones

4-(Substituted-amino)-2-(pyridinyl) pyrimidine derivatives

4-(Tetrazol-5-yl)-.DELTA..sup.3 -cephem compounds