1 7B9 [5-hydroxy-4-({[6-(3-hydroxypropyl)-4-oxo-1,4-dihydropyridin-3-yl]amino}methyl)-6-methylpyridin-3-yl]methyl dihydrogen phosphate 1.000 2 PL8 [5-hydroxy-4-({[6-(3-hydroxypropyl)-2-oxo-1,2-dihydropyridin-3-yl]amino}methyl)-6-methylpyridin-3-yl]methyl dihydrogen phosphate 0.929 3 Y3D (1r,3s)-3-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]-4-oxocyclopentane-1-carboxylic acid 0.733 4 9YM [4-({[(1r,2s,3s,4r,5s)-5-amino-2,3,4-trihydroxycyclohexyl]amino}methyl)-5-hydroxy-6-methylpyridin-3-yl]methyl dihydrogen phosphate 0.710 5 7F7 [6-methyl-5-oxidanyl-4-[(~{E})-[(3~{R})-2-oxidanylideneazepan-3-yl]iminomethyl]pyridin-3-yl]methyl dihydrogen phosphate 0.700