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

2-[(Sodiooxy)sulfonyl]butanedioic acid 1-sodium 4-[2,2-bis(hydroxymethyl)-3-[(1-oxooctadecyl)oxy]propyl] ester salt