2,2,3,3-Tetrafluoro-3-(trifluoromethoxy)propionyl fluoride 4-03-00-00022 (Beilstein Handbook Reference) 425-38-7 BRN 1795023 Perfluoromethoxypropionyl fluoride Propanoyl fluoride, 2,2,3,3-tetrafluoro-3-(trifluoromethoxy)- (9CI) Propionyl fluoride, 2,2,3,3-tetrafluoro-3-(trifluoromethoxy)-