63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate methyl 2,2,3,3,4-pentafluoro-4-oxobutanoate Butanoic acid, 2,2,3,3,4-pentafluoro-4-oxo-, methyl ester 2,2,3,3-Tetrafluoro-3-(fluoroformyl)propionic acid methyl ester