1 SAT Sulfoacetic acid 1.000 2 8X3 2-hydroxyethylsulfonic acid 0.875 3 ESA Ethanesulfonic acid 0.750 4 VSO Vinylsulphonic acid 0.750 5 A1AZH (2r)-2,3-dihydroxypropane-1-sulfonic acid 0.700 6 LLQ (2~{S})-2,3-bis(oxidanyl)propane-1-sulfonic acid 0.700