4-Oxo-pentanoic acid (2R,3R,4R,5R)-5-[2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-oxo-1,6-dihydro-purin-9-yl]-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-4-(4-oxo-pentanoyloxy)-tetrahydro-furan-3-yl ester
C64H58ClN8O14P
{9-[(2R,3R,4R,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-3-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-2-yl]-6-oxo-6,9-dihydro-1H-purin-2-yl}-carbamic acid 9H-fluoren-9-ylmethyl ester
5'-O-(4-monomethoxytrityl)-2-N-(9-fluorenylmethoxycarbonyl)guanosine
G