| (2s)-2-{[(8s)-1-(5-{[5-(4-{[1-(2-amino-4-oxo-1,4-dihydropteridin-6-yl)ethyl]amino}phenyl)-2,3,4-trihydroxypentyl]oxy}-3,4-dihydroxytetrahydrofuran-2-yl)-5,8-bis(2-carboxyethyl)-3-hydroxy-3-oxido-6,9-dioxo-2,4-dioxa-7-aza-3λ5-phosphanonan-9-yl]amino}butan |
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