O6-Benzyl-8-bromo-N9-[3',5'-O-(1,1,3,3-tetrakis(isopropyl)-1,3-disiloxanediyl)-D-2'-deoxyribofuranosyl]guanine (1)
N2-(1,1,4,4-Tetramethyldisilylazacyclopentanyl)-O6-benzyl-8-bromo-N9-[3',5'-O-(1,1,3,3-tetrakis(isopropyl)-1,3-disiloxanediyl)-D-2'-deoxyribofuranosyl]guanine (1)