B651187
(S)-1-(bis(4-methoxyphenyl)(phenyl)methoxy)-3-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propan-2-yl (2-cyanoethyl)diisopropylphosphoramidite
(S)-1-(bis(4-methoxyphenyl)(phenyl)methoxy)-3-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propan-2-yl (2-cyanoethyl)diisopropylphosphoramidite