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'-tri-O-(tert-butyldimethylsilyl)guanosine

allyl 2,3-di-O-benzyl-α-L-fucopyranoside

Acetic acid (2S,3R,4R,5S,6R)-6-allyloxy-4,5-bis-benzyloxy-2-methyl-tetrahydro-pyran-3-yl ester

NCbz-guanosine