disodium 4-dodecyl 2-sulphonatosuccinate Butanedioic acid, sulfo-, 4-dodecyl ester, disodium salt Dodecyl sodium sulfosuccinate LDSS 2-(Sodiooxysulfonyl)-4-(dodecyloxy)-4-oxobutanoic acid sodium salt 2-[(Sodiooxy)sulfonyl]butanedioic acid 1-sodium 4-dodecyl ester salt disodium,4-dodecan-4-yloxy-4-oxo-3-sulfonatobutanoate