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

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

阿糖胞苷

1-(2,3,5-三-O-乙酰基-beta-D-阿拉伯呋喃糖基)-4-氨基嘧啶-2(1H)-酮

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