胞苷 5'-单磷酸酯 N-乙酰基神经氨酸

1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3-hydroxy-4-iminopyrimidin-2-one

2',3'-O-异亚丙基胞苷

扎西他宾

Cytosinearabinoside 5'-O-phenylphosphate