1,4-DIBROMO-1,1,2,2-TETRAFLUOROBUTANE

1,4-DIBROMO-2,5-BIS(BROMMETHYL)BENZENE

1,4-DIBROMOOCTAFLUOROBUTANE

1,4-DIDEOXY-1,4-IMINO-D-MANNITOL HYDROCHLORIDE

1,4-DIFLUORO-2,5-DIMETHOXYBENZENE

1,4-DI-TERT-BUTYL-2,5-DIMETHOXYBENZENE

1,4-DITHIASPIRO[4.5]DECAN-8-OL