Tridecafluorohexanesulfonic acid, perflourohexanesulfonic acid, Perfluorohexanesulfonic acid, perfluorohexane-1-sulfonic acid, tridecafluoro-hexane-1-sulfonic acid, perfluorohexanesulfonate, Tridecafluor-hexan-1-sulfonsaeure, Perfluorohexane-1-sulphonic acid