1,2-DIIODOTETRAFLUOROETHANE

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

1,2-DIMETHYL-1H-IMIDAZOLE-4-SULFONYL CHLORIDE

1,2-EPOXY-3-METHYLBUTANE

1,2-O-CYCLOHEXYLIDENE-ALPHA-D-XYLOPENTODIALDO-1,4-FURANOSE