154110-40-4

(2R,3S,5R)-5-(4-ACETAMIDO-2-OXOPYRIMIDIN-1(2H)-YL)-2-((BIS(4-METHOXYPHENYL)(PHENYL)METHOXY)METHYL)TETRAHYDROFURAN-3-YL 2-CYANOETHYL DIISOPROPYLPHOSPHORAMIDITE