e3nytA2

;(2S,3S,4R,5R,6R)-5-(acetylamino)-6-{[(R)-{[(S)-{[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methoxy}(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]oxy}-3-hydroxy-4-{[(1E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}tetrahydro-2H-pyran-2-carboxylic acid (non-preferred name) ;