Synonyms: Methanesulfonicacid, trifluoro-, 1,2-dimethyl-1-propenyl ester (9CI); Methanesulfonic acid,trifluoro-, 1,2-dimethylpropenyl ester (8CI); 2-Buten-2-ol, 3-methyl-,trifluoromethanesulfonate (8CI); 1,2-Dimethyl-1-propenyl triflate;3-Methyl-2-buten-2-yl triflate; NSC 266189