Synonyms: 1-Octanesulfonamide,N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-,dihydrogen phosphate (ester) (8CI); 1-Octanesulfonamide,N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-,phosphate (6CI,7CI); FC 161; N-Ethyl-N-(2-hydroxyethyl)perfluorooctanesulfonamidephosphate monoester