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), disodium salt (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, disodium salt (7CI); 1-Octanesulfonamide,N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-[2-(phosphonooxy)ethyl]-,disodium salt (9CI); Sodium mono(N-ethyl-2-perfluorooctylsulfonaminoethyl)phosphate