perfluoro-1-heptanesulfonic acid, diethanolamine salt

bis(2-hydroxyethyl)ammonium pentadecafluoroheptane-1-sulphonate

1-Heptanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-, compd. with 2,2-iminobisethanol (1:1)