英文别名2-Chloroethyl triflate; 2-Chloroethyl trifluoromethanesulphonate; Methanesulfonic acid, trifluoro-, 2-chloroethyl ester; Methanesulfonic acid, 1,1,1-trifluoro-, 2-chloroethyl ester; 2-chloroethyltriflate; trifluoro-methanesulfonic acid 2-chloro-ethyl ester; TfOCH2CH2Cl