1-[3-azido-2,5-dideoxy-5-(di-O-ethylphosphono)-β-D-threo-pentofuranosyl]thymine

1-[3',5'-dideoxy-3'-azido-5'-(dimethylphosphono)-β-D-erythro-pentofuranosyl]thymine

1,4-dihydro-2-methoxy-1-[2',5'-dideoxy-5'-(dimethylphosphono)-3'-O-mesyl-β-D-erythro-pentofuranosyl]-4-oxo-5-methylpyrimidine

1-(3,5-脱水-2-脱氧-Β-D-苏-戊呋喃糖基)胸腺嘧啶

1-(3-O-acetyl-2,5-dideoxy-5-iodo-β-D-threo-pentofuranosyl)thymine