1-[(2R,3S,4R,5R)-3,4-difluoro-5-(trityloxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione

1-{(2R,3S,4R,5R)-3,4-Difluoro-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-5-methyl-1H-pyrimidine-2,4-dione

2,2'-O-脱水-5-甲基尿嘧啶核苷

3-(3,5-di-O-monomethoxytrityl-β-D-arabinofuranosyl)thymine

1-(2-deoxy-2-fluoro-5-O-monomethoxytrityl-β-D-ribofuranosyl)thymine