1-烯丙基-5-甲基嘧啶-2,4(1H,3H)-二酮

3-脱氧-5-o-(二甲氧基三苯甲游基)-5-甲基尿苷

5’-苯甲酰基-2’,3’-二脱氢-3’-脱氧胸腺嘧啶

3'-C-亚甲基-2',3'-二脱氧-5-甲基尿苷

1-[(2R,4S)-4-azido-5-[(1R)-1,2-dihydroxyethyl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione