4,5-DICHLORO-2-METHYLIMIDAZOLE

4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE

4,5-DICHLOROISOTHIAZOLE-3-CARBOXYLIC ACID

4,5-DICHLOROPHTHALIC ACID

4,5-Dihydro-6-methylpyridazin-3(2H)-one

4',5-DIHYDROXY-7-METHOXYFLAVONE

4,5-DIMETHOXY-1,2-PHENYLENEDIAMINE DIHYDROCHLORIDE

4,5-Dimethyl-2-(2-(methylthio)ethyl)-1,3-dithiolane

4,5-DIMETHYL-2-FURALDEHYDE

4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one

4,5-DINITRO-9-OXO-9H-FLUORENE-2,7-DISULFONYL DICHLORIDE