1-Heptanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-, compd. with 2,2'-iminobis(ethanol) (1:1) 70225-15-9 Bis(2-hydroxyethyl)ammonium pentadecafluoroheptane-1-sulphonate EINECS 274-461-3 Pentadecafluoro-1-heptanesulfonic acid, compd. wiih diethanolamine