2',3',5'-tri-O-(tert-butyldimethylsilyl)guanosine

Trifluoro-methanesulfonic acid 2-acetylamino-9-[(2R,3R,4R,5R)-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-9H-purin-6-yl ester

Acetic acid (2S,3R,4R,5S,6R)-4,5-bis-benzyloxy-6-[(2R,3R,4R,5R)-5-(2-benzyloxycarbonylamino-6-oxo-1,6-dihydro-purin-9-yl)-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-furan-2-ylmethoxy]-2-methyl-tetrahydro-pyran-3-yl ester

2',3'-O-bis[(tert-butyl)dimethylsilyl]-2-N-(4,4'-dimethoxytrityl)guanosine

5'-O,3'-O,2'-O-tris(tert-butyldimethylethylsilyl)-6-O-benzyl-2-bromoguanosine

Acetic acid (2S,3R,4R,5S,6R)-4,5-bis-benzyloxy-6-[(2R,3S,4R,5R)-5-(2-benzyloxycarbonylamino-6-oxo-1,6-dihydro-purin-9-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethoxy]-2-methyl-tetrahydro-pyran-3-yl ester

Acetic acid (2S,3R,4R,5S,6S)-4,5-bis-benzyloxy-6-[(2R,3S,4R,5R)-5-(2-benzyloxycarbonylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-hydroxy-2-hydroxymethyl-tetrahydro-furan-3-yloxy]-2-methyl-tetrahydro-pyran-3-yl ester

2',3',5'-O-tris(tert-butyldimethylsilyl)-2-N,2-N-dimethylguanosine

2',3',5'-tri<(tert-butyldimethylsilyl)oxy>-7,8-dihydro-8-oxoguanosine

Acetic acid (2S,3R,4R,5S,6S)-4,5-bis-benzyloxy-6-[(2R,3R,4R,5R)-5-(2-benzyloxycarbonylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-sulfooxy-2-sulfooxymethyl-tetrahydro-furan-3-yloxy]-2-methyl-tetrahydro-pyran-3-yl ester

{9-[(2R,3R,4S,5R)-5-(tert-Butyl-dimethyl-silanyloxymethyl)-3,4-dihydroxy-tetrahydro-furan-2-yl]-6-oxo-6,9-dihydro-1H-purin-2-yl}-carbamic acid benzyl ester

Acetic acid (2S,3R,4R,5S,6S)-4,5-bis-benzyloxy-6-[(2R,3R,4R,5R)-2-(2-benzyloxycarbonylamino-6-oxo-1,6-dihydro-purin-9-yl)-5-(tert-butyl-dimethyl-silanyloxymethyl)-4-hydroxy-tetrahydro-furan-3-yloxy]-2-methyl-tetrahydro-pyran-3-yl ester

NCbz-guanosine

5'-deoxy-5'-N-(N-tert-butoxycarbonyl)hydroxylaminoguanosine

2’,3’,5’-三-O-乙酰基-2N,2N-二甲基鸟苷

Acetic acid (2S,3R,4R,5S,6S)-4,5-bis-benzyloxy-6-[(2R,3S,4R,5R)-5-(2-benzyloxycarbonylamino-6-oxo-1,6-dihydro-purin-9-yl)-2-(tert-butyl-dimethyl-silanyloxymethyl)-4-hydroxy-tetrahydro-furan-3-yloxy]-2-methyl-tetrahydro-pyran-3-yl ester

N-levulinylguanosine

Acetic acid (2S,3R,4R,5S,6S)-4,5-bis-benzyloxy-6-[(2R,3R,4R,5R)-2-(2-benzyloxycarbonylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-3-yloxy]-2-methyl-tetrahydro-pyran-3-yl ester

4-Oxo-pentanoic acid {9-[(2R,3R,4R,5R)-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-6-oxo-6,9-dihydro-1H-purin-2-yl}-amide