4'-C-methoxymethylthymidine

5'-O-tert-butyldiphenylsilyl-4'-C-methoxymethylene thymidine

4-Amino-1-[(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-diphenyl-silanyloxymethyl)-5-methoxymethyl-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidin-2-one

4-N-benzoyl-3'-O-tert-butyldimethylsilyl-5'-O-tert-butyldiphenylsilyl-4'-C-methoxymethyl-5-methylcytidine

2,5'-O-cyclo-3'-O-acetyl-4'-C-methoxymethylene thymidine