O6-(2-cyanoethyl)-N2-<<(9-fluorenylmethyl)oxy>carbonyl>-2'-O-(4-methoxytetrahydropyran-4-yl)guanosine

2,4,6-Trimethyl-benzenesulfonic acid 2-amino-9-[(2R,3R,3aR,9aR)-5,5,7,7-tetraisopropyl-3-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-9H-purin-6-yl ester

O6-(2-cyanoethyl)-N2-<<(9-fluorenylmethyl)oxy>carbonyl>-2'-O-(4-methoxytetrahydropyran-4-yl)-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)guanosine

2'-O-(4-methoxytetrahydropyran-4-yl)-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)guanosine