4-TERT-BUTYLPYRIDINE-N-OXIDE

4,2′-Dihydroxy-3-methoxy-5′-methylchalcone

4,4'-((3-NITROPHENYL)METHYLENE)BIS(1,5-DIMETHYL-2-PHENYL-1H-PYRAZOL-3(2H)-ONE) COMPOUND WITH PICRIC ACID

4,4'-(2,2-DICHLOROETHENE-1,1-DIYL)BIS(2-METHYL-6-NITROPHENOL)

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

4,4'-(PENTAMETHYLENEDIOXY)-BIS-(NITROBENZENE)

4,4′-(Thiazolo[5,4-d]thiazole-2,5-diyl)bis(2-methoxyphenol)

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

4,4'-BIS(2,6-DIPHENYLPYRYLIUM TETRAFLUOROBORATE)

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

4,4'-BIS(N,N-DIMETHYLUREIDO)-3,3'-DIMETHOXYBIPHENYL

4,4'-DIACETAMIDO-3,3'-DINITROAZOXYBENZENE

4,4'-DICHLORO-2'-METHYLBENZANILIDE

4,4'-Dimethoxythiocarbanilide

4,4''-DINITRO-(1,1',4',1'')TERPHENYL