1,2-DIBENZOYL-1,2-DIBROMOETHANE

TRANS-1,2-DIBENZOYLETHYLENE

TRANS-1,2-DIBENZOYLETHYLENE

1,2-DIBROMO-4-FLUOROBENZENE

1,2-DIBROMOHEXAFLUOROCYCLOBUTANE

1,2-DICHLORO-1,2-DIFLUOROETHYLENE

1,2-DICHLOROHEXAFLUOROCYCLOPENTENE

1,2-DICHLOROOCTAFLUOROCYCLOHEX-1-ENE