333-27-7 AI3-62911 CCRIS 1158 EINECS 206-371-7 METHYLTRIFLUOROMETHANESULFONATE Methanesulfonic acid, trifluoro-, methyl ester Methyl triflate Methyl trifluoromethane sulfonate Methyl trifluoromethanesulfonate Methyl trifluoromethanesulphonate NSC 270679