Synonyms: Butanedioicacid, sulfo-, 4-[2-[(1-oxo-10-undecenyl)amino]ethyl] ester, disodium salt(9CI); Succinic acid, sulfo-, 4-ester with N-(2-hydroxyethyl)-10-undecenamide,disodium salt (8CI); 10-Undecenamide, N-(2-hydroxyethyl)-, 1-hydrogensulfosuccinate (ester), disodium salt (8CI); Disodium undecylenic monoethanolamidesulfosuccinate