4,4'-BIS-(2-NITRO-PHENOXY)-BIPHENYL

4,4'-BIS(3-PROPYLUREIDO)-3,3'-DIMETHYLBIPHENYL

4,4''-BIS(TRIMETHYLSILYL)-P-TERPHENYL

4,4'-DICHLORO-(9,9')BIANTHRACENYL

4,4'-DIHYDROXY-1,1'-DIMETHYL-4,4'-ETHYLENEDIPIPERIDINE

4,4'-DIMETHYL-2,2'-DIHYDROXY-6,6'-BIQUINOLINE

4,4'-DINITROSTILBENE

4,4'-METHYLENEBIS(N-(3,4-(METHYLENEDIOXY)BENZYLIDENE)ANILINE)

4,4'-METHYLENEBIS(N-CINNAMYLIDENEANILINE)

4,4'-SULFONYLBIS(N-(4-ACETAMIDOBENZYLIDENE)ANILINE)

4,4'-Vinylidenebis(N,N-dimethylaniline)

4,4-DICHLORO-2,3-BIS(TRIMETHYLSILYL)-2-CYCLOBUTEN-1-ONE

4B,9B-DIHYDRO-INDENO(2,1-A)INDENE-5,10-DIONE

4,5-Dichloro-2-[2-(4-chlorophenoxy)ethyl]pyridazin-3(2H)-one

4,5-DICHLORO-N-METHYL-2-NITROANILINE