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

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

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

methyl 2-[[1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]amino]acetate