1 77E (4r)-4-amino-6-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}hexanoic acid 1.000 2 5NJ 6-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]-4-oxidanylidene-hexanoic acid 0.917 3 FOO (3e)-4-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}-2-iminobut-3-enoic acid 0.760 4 PFM 1-amino-7-(2-methyl-3-oxido-5-((phosphonoxy)methyl)-4-pyridoxal-5-oxo-6-heptenate 0.714