2'-O-acetyl-3'-O-benzyl-5'-O-tert-butyldiphenylsilyl-4'-C-vinyluridine

1,2-di-O-acetyl-3-O-benzyl-5-O-tert-butyldiphenylsilyl-4-C-vinyl-α,β-D-ribofuranose

3-O-benzyl-5-O-tert-butyldiphenylsilyl-4-C-vinyl-1,2-O-isopropylidene-α-D-ribofuranose

3'-O-benzyl-5'-O-tert-butyldiphenylsilyl-2'-deoxy-4'-C-vinyluridine

{3-[(2,2-dimethyl-1,1-diphenyl-1-silapropoxy)methyl]-(1S,3R,4S,5R)-7,7-dimethyl-2,6,8-trioxa-4-(phenylmethoxy)bicyclo[3.3.0]oct-3-yl}methan-1-ol