1 2E7 (6-chloropyridin-3-yl)methyl trihydrogen diphosphate 1.000 2 2E4 Pyridin-3-ylmethyl trihydrogen diphosphate 0.941 3 PDP Pyridoxal-5'-diphosphate 0.762 4 2E5 Pyridin-4-ylmethyl trihydrogen diphosphate 0.737 5 2E6 Pyridin-2-ylmethyl trihydrogen diphosphate 0.737 6 1LK 1,4-anhydro-2-deoxy-2-fluoro-5-O-[(S)-hydroxy(phosphonooxy)phosphoryl]-D-arabinitol 0.700 7 CU0 [(2~{R},3~{S},4~{S})-3,4-bis(oxidanyl)oxolan-2-yl]methyl phosphono hydrogen phosphate 0.700