13043-05-5 2,3,3,3-Tetrafluoro-2-(1,1,2,3,3,3-hexafluoo-2-(heptafluoropropoxy)propoxy)propanoic acid ammonium salt Propanoic acid, 2,3,3,3-tetrafluoro-2-(1,1,2,3,3,3-hexafluoo-2-(heptafluoropropoxy)propoxy)-, ammonium salt Propionic acid, tetrafluoro-2-(hexafluoro-2-(heptafluoropropoxy)propoxy)-, ammonium salt