2,3,3,3-Tetrafluoro-2-(1,1,2,3,3,3-hexafluoro-2-(1,1,2,2-tetrafluoro-2-(fluorosulphonyl)ethoxy)propoxy)propionyl fluoride 4089-58-1 EINECS 223-824-4 Propanoyl fluoride, 2,3,3,3-tetrafluoro-2-(1,1,2,3,3,3-hexafluoro-2-(1,1,2,2-tetrafluoro-2-(fluorosulfonyl)ethoxy)propoxy)- Propionyl fluoride, tetrafluoro-2-(hexafluoro-2-(tetrafluoro-2-(fluorosulfonyl)ethoxy)propoxy)-