(S)-SNA-G(iBu) Phosphoramidite

(S)-3-(bis(4-methoxyphenyl)(phenyl)methoxy)-2-(2-(2-isobutyramido-6-oxo-1, 6-dihydro-9H-purin-9-yl)acetamido)propyl (2-cyanoethyl) diisopropylphosphoramidite