3,4-Bisamino-5-sulfamoylbenzoic acids

3,4-Cycloalkano furoxans

3,4-Diaminophenyl sulfonic acid esters

3,4-Dicarboxycephalosporins and derivatives

3,4-Dihalo-2,5-thiophenedicarbonitriles

3,4-Dihydro-1,2,4-triazine compounds

3,4-Dihydro-2H-naphthalene-1-one-5-oxypropyl-piperazine compound

3,4-Dihydro-7-hydroxy-8-nitro-2H-pyrrolo(2,1-b)-(1,3)thiazin-6(7

3,4-Dihydro-8-nitro-2H-pyrrolo(2,1-B)(1,3)thiazin-7(6H)-one

3,4-Dihydrocarbostyril derivatives

3,4-Dimethyl-5-isoxazolylsulfamylaniline

3,4-Disubstituted-1,3,4-thiadiazoline-2,5-diones

3,4-Methylenedioxyphenoxy-alkyl diketones and keto-esters

3,4-Xylidine compounds which are useful as herbicides and as int

3,5,6-Tricarboxy-4-pyridyl-1,4-dihydropyridine derivatives

3,5-Bis (indolyl)-5-(indolyl)-2(5H)-furanones

3,5-Bis(chloromethylthio)-4-cyanoisothiazole

3,5-Bisoxygenated 2-(.omega.-halo-3-oxo-1-alkenyl)-cyclopentane-

3,5-Bisoxygenated 2-(.omega.-halo-3-oxygenated-1-alkenyl)-cyclop

3,5-DIALKYL-4-HYDROXYBENZYL-OXIRANES