for the following products
Heptadecafluorooctylsulfonylaminopropyl)-trimethylammoniumiodide | Tetraethylammonium perfluoroalkylsulfonate (FT-248) | Tetraethylammonium perfluorooctanesulfonate and Heptadecafluorooctanesulfonic acid tetraethylammonium salt