1,1,2,2,3,3,4,4,4-Nonafluoro-N-(2-hydroxyethyl)-N-methylbutane-1-sulphonamide 1-Butanesulfonamide, 1,1,2,2,3,3,4,4,4-nonafluoro-N-(2-hydroxyethyl)-N-methyl- 34454-97-2 EINECS 252-043-1 Nonafluoro-N-(2-hydroxyethyl)-N-methyl-1-butanesulfonamide