1 DBX 2,5-dihydroxybenzenesulfonic acid 1.000 2 4SX 3,4-dihydroxybenzenesulfonic acid 0.846 3 BNS Benzenesulfonic acid 0.833 4 XXG 3,3-dihydroxy-4-oxocyclohexa-1,5-diene-1-sulfonic acid 0.786 5 PMB Para-mercury-benzenesulfonic acid 0.769 6 QAU 3-oxidanylbenzenesulfonamide 0.769 7 TSU Para-toluene sulfonate 0.769 8 VXC 4-bromanylbenzenesulfonic acid 0.769 9 VXN 4-chloranylbenzenesulfonic acid 0.769 10 VWT 4-cyanobenzenesulfonic acid 0.714 11 2L3 (2r)-2-methyl-1,4-dioxo-1,2,3,4-tetrahydronaphthalene-2-sulfonic acid 0.706 12 2LB (2s)-2-methyl-1,4-dioxo-1,2,3,4-tetrahydronaphthalene-2-sulfonic acid 0.706