3',5'-bis-O-trimethylsilyl-2'-deoxyguanosine

(2R,3R,4R,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxy-2-(2-isobutyramido-6-oxo-1,6-dihydro-9H-purin-9-yl)tetrahydrofuran-3-yl 4-methylbenzenesulfonate