4,5-Dimethoxy-2-nitrophenylacetonitrile

4-TERT.-OCTYLCATECHOL

4-TRIFLUOROMETHYL-BENZOIC ACID (1-THIOPHEN-2-YL-ETHYLIDENE)-HYDRAZIDE

4,23,24-TRINOR-5-BETA-URS-12-ENE

4,4'-(1,3-DIMETHYLBUTYLIDENE)DIPHENOL

4,4'-(2,3-DICHLOROPHENYLMETHYLENE)BIS(N,N-DIMETHYLANILINE)

4,4'-(ETHYLENEDIOXY)DIBENZOIC ACID

4,4'-AZOBIS(2,6-DIPHENYL-1-METHYLPYRIDINIUM PERCHLORATE)

4,4''-BIS-BROMOMETHYL-(1,1',3',1'')TERPHENYL-2'-CARBONITRILE

4,4'-BIS(3-(4-METHOXYPHENYL)UREIDO)-3,3'-DIMETHYLBIPHENYL

4,4'-BIS(4-PENTYL-1-CYCLOHEXEN-1-YL)BIPHENYL

4,4'-DIAMINO-3,3'-DIMETHYL-2,2'-DINITROBIPHENYL

4,4'-DICHLORO-3-NITROCHALCONE

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

4,4'-DIMETHOXY-3,3',5,5'-TETRAMETHYLBIPHENYL