5′-O-(4,4′-dimethoxytrityl)-2′-O-(2-carbamoylethyl)uridine 3′-(2-cyanoethyl N,N-diisopropylphosphoramidite)

3-(((2R,3R,4R,5R)-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl)oxy)propanamide