4,4'-Biphenyldiboronic acid

4,4'-BIPHENYLDICARBONYL CHLORIDE

4,4'-BIS(N-HEXYLOXY)AZOXYBENZENE

4,4'-Diamino-2,2'-stilbenedisulfonic acid

4,4'-DIBROMOOCTAFLUOROBIPHENYL

4,4'-DIISOTHIOCYANATOSTILBENE-2,2'-DISULFONIC ACID

Acetylacetaldehyde dimethyl acetal

4,4'-Dimethyl-(3,3'-bithiophene)-2,2'-dicarboxaldehyde