Also Called: Butanedioic acid, sulfo-, 4-[2-[(1-oxo-10-undecenyl)amino]ethyl] ester, disodium salt;Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2);Dinatrium-4-(2-((1-oxoundec-10-enyl)amino)ethyl)-2-sulfonatosuccinat