Perfluorpentansulfonsaeure, Undecafluor-pentan-1-sulfonsaeure, undecafluoro-pentane-1-sulfonic acid, perfluoropentane-1-sulfonic acid, perfluoropentanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,5-Undecafluoro-1-pentanesulfonic acid, Perfluoropentane-1-sulphonic acid, undecafluoropentanesulfonic acid, EINECS 220-301-2, 1-Pentanesulfonic acid,1,1,2,2,3,3,4,4,5,5,5-undecafluoro