1,3-BIS-(9-PHENYL-9H-FLUOREN-9-YL)-UREA

1,3-BIS-BENZYLOXY-7,8,9,10-TETRAHYDRO-BENZO(C)CHROMEN-6-ONE

1,3-BIS(2-HYDROXYETHYL)URACIL

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

1,3-bis(4-chlorophenoxy)-2-propanol

1,4-BIS-((2-CHLORO-PHENYL)-PHENYL-METHYL)-PIPERAZINE, DIHYDROCHLORIDE

1,4-BIS-(3,4,5-TRIMETHOXYBENZYLIDENEAMINO-PIPERAZINE

1,4-BIS-BROMOMETHYL-BENZENE

1,4-BIS(2-CHLOROETHYLSULFONYL)BUTANE

1,4-BIS(4-CHLOROPHENOXY)-2,3-BUTANEDIOL

1,4-Bis(benzyloxy)-2,3,5-trimethylbenzene

1,4-BIS(PENTAFLUOROBENZOYL)BENZENE

1,4-BIS(TRIS(HYDROXYMETHYL)METHYL)OXAMIDE

1,4-DI-TERT-BUTYL-PIPERAZINE-2,5-DIONE

1,4-DIBENZHYDRYL-PIPERAZINE, DIHYDROCHLORIDE