3,4-Diaminothiophene dihydrobromide

3,4-Dibromobenzaldehyde

3',4'-DICHLOROACETOPHENONE

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

3,4-DICHLOROBENZENESULPHONYLHYDRAZIDE

3',4'-DICHLOROCYCLOPROPANECARBOXANILIDE

3,4-DICHLORO-N-METHYLANILINE

3',4'-DICHLOROPHENYLACETANILIDE

3,4-Diethoxybenzoic acid

3,4-DIETHYL-1H-PYRROLE-2-CARBOXYLIC ACID ETHYL ESTER