4,5:4',5'-DIBENZO-1,1'-DIBUTYL-3,3,3',3'-TETRAMETHYLINDACARBOCYANINE PERCHLORATE

4,5-BIS(METHYLTHIO)-1,3-DITHIOL-2-ONE

4,5-DIBROMO-2-PHENYL-2,3-DIHYDROPYRIDAZIN-3-ONE

4,5-Dibromothiophene-2-sulphonyl chloride

4,5-Imidazoledicarboxylic acid

4,5-Dichloro-1,2-benzenediamine

4,5-DICHLORO-2-(2,6-DICHLOROBENZYL)-2,3-DIHYDROPYRIDAZIN-3-ONE

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

4,5-DIHYDRO[1,2,5]OXADIAZOLO[3,4-F]CINNOLIN-3-IUM-3-OLATE

4,5-DIHYDRO[1,2,5]OXADIAZOLO[3,4-F]CINNOLINE

2,4-DIMETHYL-4-HYDROXYMETHYL-2-OXAZOLINE

4,5-DIHYDRO-7-[3-(TRIFLUOROMETHYL)PHENYL]PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXAMIDE