1 3PB (3r)-3-(phosphonooxy)butanoic acid 1.000 2 D11 D-phosphothreonine 0.917 3 TPO Phosphothreonine 0.917 4 YTH O-phosphono-L-allothreonine 0.917 5 48X 3-(phosphonooxy)propanoic acid 0.909 6 3PG 3-phosphoglyceric acid 0.833 7 HG3 [(2~{R})-2,3,3-tris(oxidanyl)propyl] dihydrogen phosphate 0.833 8 HPV 2-oxo-3-(phosphonooxy)propanoic acid 0.833 9 SEP Phosphoserine 0.833 10 PDI Phosphoric acid mono-(3-hydroxy-propyl) ester 0.818 11 3S4 (3r)-5-hydroxy-3-methyl-3-(phosphonooxy)pentanoic acid 0.786 12 FGP 2-amino-3-hydroxy-3-phosphonooxy-propionic acid 0.769 13 T8L Thio-phosohothreonine 0.769 14 13P 1,3-dihydroxyacetonephosphate 0.750 15 1GP Sn-glycerol-1-phosphate 0.750 16 G3H Glyceraldehyde-3-phosphate 0.750 17 G3P Sn-glycerol-3-phosphate 0.750 18 GP9 (2r)-2,3-dihydroxypropyl phosphate 0.750 19 PSE O-phosphoethanolamine 0.750 20 U8Z [(~{E})-2,3-bis(oxidanyl)prop-1-enyl] dihydrogen phosphate 0.750 21 ISP Phosphorylisopropane 0.727