1-PHENYLBIURET

1-SEC-BUTYL-3-(4-CHLORO-PHENYL)-UREA

1-TERT-BUTYL-3-(2-CHLOROBENZYL)UREA

1-TERT-BUTYL-3-(2,6-DIETHYLPHENYL)UREA

1-TERT-BUTYL-3-(4-ISOPROPYL-PHENYL)-UREA

1,1'-(4,5-DIMETHYL-1,2-PHENYLENE)BIS(3-PHENYL-2-THIOUREA)

1,1'-(HEXANE-1,6-DIYL)BIS(3-(2-HYDROXYETHYLCARBAMOYL)PYRIDINIUM) IODIDE

1,1'-BINAPHTHYL-2,2'-DIYL BIS(4-BROMOBENZOATE)

1,1'-ETHYNYLENE-BIS-CYCLOHEXANOL

1,1'-HEXAMETHYLENEBIS(3-ISOPROPYLUREA)

1,1'-TETRAMETHYLENEBIS(3,4-DIMETHYLPYRIDINIUM BROMIDE)

1,1-DIBUTYL-3-(3,5-DICHLOROPHENYL)UREA

1,1-DICYCLOHEXYL-3-(1-NAPHTHYL)UREA

1,1-DICYCLOHEXYL-3-(3,4-DICHLORO-PHENYL)-UREA

1,1-DIISOBUTYL-3-(3,4-XYLYL)UREA