4-Nitro-o-phenylenediamine

3,4-Diaminothiophene dihydrobromide

3,4-Diaminothiophene dihydrobromide

3',4'-DICHLOROACETOPHENONE

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

3,4-DICHLOROBENZENESULPHONYLHYDRAZIDE

3',4'-DICHLOROCYCLOPROPANECARBOXANILIDE

3,4-DICHLORO-N-METHYLANILINE