1,3-Bis(3,4-dimethoxyphenyl)urea

1,4-BIS[2,2,3,3-TETRAFLUORO-3-(TRIFLUOROMETHOXY)PROPANOYL]PIPERAZINE

1,4-BIS-(2-HYDROXYPROPYL)-2,5-DIMETHYLPIPERAZINE

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

1,4-BIS(1-(PHENYLSULFONYL)-1H-PYRROL-2-YL)-1,4-BUTANEDIONE

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

1,4-BIS(4-METHYLPHENYL)-2-BUTYNE-1,4-DIONE

1,4-BIS(CHLOROMETHYL)-2,5-DIETHOXY-BENZENE

1,4-BIS(TRIPHENYLGERMYL)-1,1,2,2,3,3,4,4-OCTAPHENYLTETRASILANE

1,4-cyclohexanedicarboxamide

1,4-Diallylpiperazine

1,4-DIBENZYL-2,5-PIPERAZINEDIONE

1,4-DICHLORO-2,5-DIIODO-BENZENE

1,4-DIHYDRO-1-PHENYL-2,4,4-TRIMETHYL-3(2H)-ISOQUINOLINONE

1,4-Diiodo-2,5-dimethylbenzene