1-Pentanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,5-undecafluoro-N-(2-hydroxyethyl)- 68555-72-6 EINECS 271-450-5 N-Ethyl-1,1,2,2,3,3,4,4,5,5,5-undecafluoro-N-(2-hydroxyethyl)pentane-1-sulphonamide N-Ethylundecafluoro-N-(2-hydroxyethyl)-1-pentanesulfonamide