disodium 4-[2,2-bis(hydroxymethyl)-3-[(1-oxooctadec-9-enyl)oxy]propyl] 2-sulphonatosuccinate

2-(Sodiosulfo)butanedioic acid 1-sodium 4-[2,2-bis(hydroxymethyl)-3-[(1-oxo-9-octadecenyl)oxy]propyl] ester salt