4,5:4',5'-DIBENZO-1,1'-DIBUTYL-3,3,3',3'-TETRAMETHYLINDADICARBOCYANINE HEXAFLUOROPHOSPHATE

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

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

4,5-Imidazoledicarboxylic acid

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

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

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

4,5-DICHLORO-2-METHYLPYRIDAZIN-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]CINNOLIN-3-IUM-3-OLATE

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