TRANS-1,2-DIBENZOYLETHYLENE

1,2-DIBROMO-1,1,2-TRICHLOROETHANE

1,2-DIBROMO-3,3,3-TRIFLUOROPROPENE

1,2-DIBROMO-3,5-DIFLUOROBENZENE

1,2-DIBROMO-3,5-DIFLUOROBENZENE

1,2-Dibromo-3-chloropropane

1,2-DIBROMO-4-FLUOROBENZENE

1,2-DICHLORO-3,3,3-TRIFLUORO-2-(TRIFLUOROMETHYL)PROPANE

1,2-DICHLOROTETRAFLUOROCYCLOBUT-1-ENE

1,2-NAPHTHALENEDICARBONITRILE

1,2-DIHYDRO-5-(3-PYRIDINYL)-3H-1,2,4-TRIAZOLE-3-THIONE