1-Butanesulfonamide, 1,1,2,2,3,3,4,4,4-nonafluoro-N-[2-(2-hydroxyethoxy)ethyl]-N-(2-hydroxyethyl)-
1-Butanesulfonamide, 1,1,2,2,3,3,4,4,4-nonafluoro-N-[2-(2-hydroxyethoxy)ethyl]-N-(2-hydroxyethyl)- ·
1-Butanesulfonamide, 1,1,2,2,3,3,4,4,4-nonafluoro-N-[2-(2-hydroxyethoxy)ethyl]-N-(2-hydroxyethyl)- ·