1197033-17-2

S-cEt-C phosphoramidite 5'-O-DMTr-cEt-BNA-N-Bz-Me-Cytidine-CEP 5'-ODMT cEt N-Bz 5-Me C Phosphoramidite N- [1- [(1R, 3S, 4S, 6R, 7S) - 4- [[Bis(4- Methoxyphenyl) - Phenylmethoxy] Methyl] - 7- [2- Cyanoeth Benzamide, N-[1-[2,5-anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-6-deoxy-α-L-mannofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-