Beta-D-homoDNA-G(iBu) Phosphoramidite

2-cyanoethyl ((2R, 3S, 6R)-2-(((4-hydroxyphenyl)(4-methoxyphenyl)(phenyl)methoxy)methyl)-6-(2-isobutyramido-6-oxo-1, 6-dihydro-9H-purin-9-yl)tetrahydro-2H-pyran-3-yl) diisopropylphosphoramidite