4,2′-Dihydroxy-3,4′,6′-trimethoxychalcone

4,4'-(1,6-HEXANEDIONE)BIS-1,6-(ETHYL PHENYLPROPIONATE)

4,4'-(4-METHYL-1,3-PHENYLENE)BIS(1-PHENYLSEMICARBAZIDE)

4,4'-(PHENYLIMINOMETHYLENE)BISMORPHOLINE

4,4''-BIS-BROMOMETHYL-(1,1',3',1'')TERPHENYL

4,4'-BIS(2,6-DIMETHYLPHENYLUREIDO)-3,3'-DIMETHYLBIPHENYL

4,4'-BIS(4-METHOXYPHENYL)TETRATHIAFULVALENE

4,4'-BIS(TRIBENZYLSILYL)BIPHENYL

4,4'-DIBROMO-2,3,5,6,2',3',5',6'-OCTAMETHYL-BIPHENYL

4,4'-DIHYDRAZINO-2,2'-BIPHENYLDISULFONIC ACID

4,4''-DINITRO-2,2',5',6''-TETRAIODO-P-TERPHENYL

4,4'-DITHIOBIS(N-CINNAMYLIDENEANILINE)

4-NITROBENZYL THIOCYANATE

4-NITROPHENYL P-TOLYL SULFONE

4-O-TOLYL-BUTYRIC ACID