1 HCP 1-[((1e)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylene)amino]cyclopentylphosphonic acid 1.000 2 Y37 (1r,4r)-4-fluoro-3-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]cyclopent-2-ene-1-carboxylic acid 0.724 3 Y3D (1r,3s)-3-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]-4-oxocyclopentane-1-carboxylic acid 0.724 4 Y7S (1~{R},3~{S},4~{R})-3-methyl-4-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]cyclopentane-1-carboxylic acid 0.724 5 EIL [6-methyl-4-[[(5-methyl-2-oxidanylidene-furan-3-ylidene)amino]methyl]-5-oxidanyl-pyridin-3-yl]methyl dihydrogen phosphate 0.714 6 I1T (1s,3r,4s)-3-formyl-4-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]cyclopentane-1-carboxylic acid 0.700