4,5-BIS(METHYLTHIO)-1,3-DITHIOLE-2-THIONE

4',5'-DIBROMOFLUORESCEIN

4,5-Dibromothiophene-2-sulphonyl chloride

4,5-DICHLORO-2-(2-FLUOROBENZYL)PYRIDAZINE-3(2H)-ONE

4,5-DICHLORO-2-(HYDROXYMETHYL)-2,3-DIHYDROPYRIDAZIN-3-ONE

4,5-DICHLORO-2-METHYLIMIDAZOLE

4,5-Dichloro-3(2H)-pyridazinone

4,5-DICHLOROISOTHIAZOLE-3-CARBOXYLIC ACID

4,5-DICHLOROPHTHALIC ACID

4,5-DICHLOROPHTHALIC ANHYDRIDE