1,2-DIBROMOHEXAFLUOROPROPANE

1,2-DIBROMO-1,2,2-TRIFLUORO-1-PHENYLETHANE

1,2-DIBROMOHEXAFLUOROCYCLOBUTANE

1,2-DICHLORO-1,2-DIFLUOROETHYLENE

3,6-Pyridazinedione,1,2-dihydro-1-(3-oxobutyl)-

1,2-DIMETHOXY-4,5-DINITROBENZENE

1,2-DIMETHYL-1,1,2,2-TETRAPHENYLDISILANE