1 Perfluorohalogenoorgano Compounds of Main Group 1 Elements.- 2 Perfluorohalogenoorgano Compounds of Main Group 2 Elements.- 3 Perfluorohalogenoorgano Compounds of Main Group 3 Elements.- 4 Perfluorohalogenoorgano Compounds of Main Group 4 Elements.- 5 Perfluorohalogenoorgano Compounds of Main Group 5 Elements.- 6 Perfluorohalogenoorgano Compounds of Main Group 6 Elements.- Table of Conversion Factors.