4,5-DIMETHYL-1-CYCLOHEXENE

4-Tributylstannyl-3,6-dihydro-2H-pyran

4,10-DIOXA-TRICYCLO(5.2.1.0(2,6))DECAN-3-ONE

4,4'-((2,5-DIHYDROXYPHENYL)METHYLENE)BIS(1,5-DIMETHYL-2-PHENYL-1H-PYRAZOL-3(2H)-ONE)

4,4'-(1,4-PHENYLENE)BIS(2,3,5-TRIPHENYLCYCLOPENTA-2,4-DIENONE)

4,4'-(butane-1,1-diyl)diphenol

4,4'-(PROPANE-1,1-DIYL)BIS(1,5-DIMETHYL-2-PHENYL-1H-PYRAZOLE-3(2H)-THIONE)

4,4'-BI(DIBENZOFURAN)

4,4'-BIS-PHENYLETHYNYL-BIPHENYL

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

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

4,4'-DIBROMOAZOXYBENZENE

4,4'-Dichlorochalcone

4,4'-DIIODO-3,3'-DIMETHOXYBIPHENYL

4,4'-DIMETHYL-BICYCLOHEXYL-3,6,3',6'-TETRAENE-2,5,2',5'-TETRAONE