4-amino-1-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]-5-methylpyrimidin-2-one

3',5'-O-bis-(trimethylsilyl)-thymidine

3,5-双-O-乙酰胸苷

1-(2-Deoxy-3,5-di-O-acetyl-β-D-ribofuranosyl)-4-chloro-5-methyl-2(1H)-pyrimidinone

2'-deoxy-5-methyl-5'-cytidylic acid