1 NIC Nitroisocitric acid 1.000 2 2HG (2r)-2-hydroxypentanedioic acid 0.769 3 AKG 2-oxoglutaric acid 0.769 4 S2G (2s)-2-hydroxypentanedioic acid 0.769 5 3GL (2s,4s)-2-amino-4-hydroxy-pentanedioic acid 0.714 6 8GL (2s)-2-azanyl-2-oxidanyl-pentanedioic acid 0.714 7 DHD 2,4-dioxo-pentanedioic acid 0.714 8 IO9 (2~{R})-2-oxidanyl-4-oxidanylidene-pentanedioic acid 0.714 9 Q1Z (3~{R})-3-methyl-2-oxidanylidene-pentanedioic acid 0.714 10 ROQ (3~{S})-3-methyl-2-oxidanylidene-pentanedioic acid 0.714 11 U5C 2,2-bis(oxidanyl)pentanedioic acid 0.714