1 SGL 1-hydroxy-1-thio-glycerol 1.000 2 SGM Monothioglycerol 0.857 3 DTO 1-hydroxysulfanyl-4-mercapto-butane-2,3-diol 0.778 4 LLQ (2~{S})-2,3-bis(oxidanyl)propane-1-sulfonic acid 0.778 5 4Y8 1-hydroxypropan-2-one 0.714 6 MIE Methylglyoxal 0.714 7 MPR 2-mercapto-propion aldehyde 0.714 8 PGO S-1,2-propanediol 0.714 9 PGR R-1,2-propanediol 0.714 10 3SL (2r)-3-sulfolactic acid 0.700 11 R67 3-(methylsulfonyl)-2-oxopropanoic acid 0.700 12 SPV Sulfopyruvate 0.700