p. 171 - 181
(2007/10/03)G
3',5'-O-(1,1,3,3-tetraisopropyldisiloxan-1,3-diyl)-N2-isobutyrylguanosine
N2-isobutyryl-2'-O-p-toluenesulfonylguanosine
4,4'-dimethoxytrityl chloride
N2-isobutyryl-2'-deoxyguanosine
3'-azido-5'-O-(4,4'-dimethoxytrityl)-N2-isobutyryl-2',3'-dideoxyguanosine
N2-isobutyryl-5'-(4,4'-dimethoxytrityl)-3'-mesyl-2',3'-dideoxyxyloguanosine
N-[9-[(2R,4R,5R)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-hydroxytetrahydrofuran-2-yl]-6-oxo-1H-purin-2-yl]-2-methylpropanamide
5'-O-dimethoxytrityl-N-isobutyryldeoxyguanosine