N-苯甲酰基-5'-O-[二(4-甲氧基苯基)(苯基)甲基]-2'-脱氧鸟苷

5'-O-(4,4'-dimethoxytrityl)-2-N-(diphenylacetyl)-2'-deoxyguanosine

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

2-(azidomethyl)-N-(9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-2-yl)benzamide

2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-O6-<2-(phenylsulfonyl)ethyl>-N2-phthaloylguanosine