1,3-BIS-(TRICHLOROMETHYL)-BENZENE

1,3-BIS(2-HYDROXYETHYL)URACIL

1,3-BIS(3-METHOXYPHENYL)-2-THIOUREA

1,4-BIS[3,5-DICHLORO-2-(METHYLSULFANYL)BENZOYL]PIPERAZINE

1,4-BIS-(3-PHENYL-PROP-2-YNYL)-PIPERAZINE, DIHYDROCHLORIDE

1,4-BIS-CHLOROMETHYL-2,3,5,6-TETRAMETHYL-BENZENE

1,4-BIS(4-ACETYLPHENYL)-1,3-BUTADIENE

1,4-BIS(4-NITROPHENYL)-1,3-BUTADIENE

1,4-BIS(PENTAFLUOROBENZOYL)BENZENE

1,4-Cubanedicarboxylic acid

1,4-DIAMINO-2,3-DICHLORO-ANTHRAQUINONE

1,4-DIBROMO-2,5-DICHLORO-3,6-BIS(PHENYLSULFANYL)BENZENE

1,4-DIHYDRO-1-(4-FLUOROBENZYL)-2-METHYLAMINO-4-QUINAZOLINONE

1,4-Diiodo-2,5-dimethylbenzene

1,4-DINITRO-1,1,4,4-TETRABROMOBUTANE