1 PBL Pentane-2,2,4,4-tetrol 1.000 2 3HL (3s)-3-hydroxybutanoic acid 0.778 3 3HR (3r)-3-hydroxybutanoic acid 0.778 4 AAE Acetoacetic acid 0.778 5 MLA Malonic acid 0.778 6 MLI Malonate ion 0.778 7 P2D Pentane-2,4-dione 0.778 8 2TL D-allothreonine 0.700 9 AKB 2-amino-3-ketobutyric acid 0.700 10 ALO Allo-threonine 0.700 11 DDZ 3,3-dihydroxy L-alanine 0.700 12 DTH D-threonine 0.700 13 DXX Methylmalonic acid 0.700 14 FGL 2-aminopropanedioic acid 0.700 15 MAK Alpha-ketomalonic acid 0.700 16 MOZ (2z)-2-amino-3-hydroxybut-2-enoic acid 0.700 17 MPD (4s)-2-methyl-2,4-pentanediol 0.700 18 MRD (4r)-2-methylpentane-2,4-diol 0.700 19 OGU 2,3-dioh-butyric acid 0.700 20 QT8 3-oxidanylidenepentanoic acid 0.700 21 THR Threonine 0.700 22 TTN Tartronate 0.700