1 G5V 5-hydroxy-2-methyl-4-oxo-4h-pyran-3-carboxylic acid 1.000 2 DBH 2,3-dihydroxy-benzoic acid 0.769 3 SJ5 (3s,4r,5r)-4,5-dihydroxypiperidine-3-carboxylic acid 0.769 4 CKX (2~{S},3~{S},4~{R},5~{R})-4,5-bis(oxidanyl)-2-propyl-piperidine-3-carboxylic acid 0.733 5 6X7 2,4-dihydroxy-6-methyl benzoic acid 0.714 6 VGO (3~{S},4~{S})-4,5,5-tris(oxidanyl)piperidine-3-carboxylic acid 0.714 7 VON (3~{S},4~{S},5~{S},6~{R})-4,5,6-tris(oxidanyl)piperidine-3-carboxylic acid 0.714 8 VP5 (3~{S},4~{R})-4,5,5-tris(oxidanyl)piperidine-3-carboxylic acid 0.714