2,2,2-Trifluoroethyl triflate 2,2,2-Trifluoroethyl trifluorometanesulfonic acid 2,2,2-Trifluoroethyl trifluoromethanesulfonate 6226-25-1 Methanesulfonic acid, trifluoro-, 2,2,2-trifluoroethyl ester