calcium 1,4-didecyl bis(2-sulphosuccinate) Butanedioic acid, sulfo-, 1,4-didecyl ester, calcium salt butanedioic acid, sulfo-, 1,4-didecyl ester, calciumsalt Butanedioic acid,sulfo-,1,4-didecyl ester,calcium salt Bis[3-(decyloxy)-1-[(decyloxy)carbonyl]-3-oxopropane-1-sulfonic acid]calcium salt Calcium 1,4-didecyl bis(2-sulfosuccinate)