3,4-BIS(BENZYLOXY)BENZOYL CHLORIDE

3,4-BIS(1-METHYLHYDRAZINO)CYCLOBUT-3-ENE-1,2-DIONE

3,4-Diaminobenzoic acid

4-Nitro-o-phenylenediamine

3,4-DIBROMO-2,5-DICHLOROTHIOPHENE

3,4-Dibromobenzaldehyde

3,4-Dibromobenzaldehyde

3,4-Dibromothiophene

3,4-DICHLOROBENZYL ISOTHIOCYANATE

4,5-Dichloro-2-nitroaniline

3,4-DICHLORO-ALPHA-(CYCLOPENTYLMETHYL)-N-2-PYRIDINYL-BENZENEACETAMIDE