1,19-O-ISOPROPYLIDENEOUABAGENIN

1,2-BIS-CHLOROMETHYL-4,5-DIMETHYL-BENZENE

1,2-BIS(2-METHYLPHENYL)DIAZENE

1,2-bis(4-methoxyphenyl)-1-butanamine hydrochloride

1,3-BIS(2,6-DICHLOROPHENYL)UREA

1,3-Bis(4-aminophenoxy)-2-propanol

1,3-BIS(4-METHYLPHENOXY)-2-PROPANOL

1,2-DIBROMO-3,6-DIIODO-4,5-DIMETHYL-BENZENE

1,2-DICHLORO-1,2-DIPHENYLETHANE

1,2-DICYCLOHEXYLETHYLENE

1,3-DI-O-TOLYL-2-THIOUREA

1,3-DIBENZYL-2-(3-NITRO-PHENYL)-IMIDAZOLIDINE

1,3-DIBROMO-2,4,5,6-TETRACHLORO-BENZENE

1,3-Dibutyl-2-imidazolidinethione

1,3-Dicyclohexyl-2,4,6(1H,3H,5H)-pyrimidinetrione