2-Cyclohexene-1-octanoic acid, 5-carboxy-4-hexyl-, 2-hydroxy-3-sulfopropyl ester, monosodium salt 53790-47-9 EINECS 258-781-0 Sodium hydrogen 2-hydroxy-3-sulphonatopropyl 5-carboxylato-4-hexylcyclohex-2-ene-1-octanoate