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

1-(2-methoxyethoxymethyl)-5-methyl-6-phenylsulfanylpyrimidine-2,4-dione

1-cyclopentyl-5-methylpyrimidine-2,4-dione

5-叠氮基-5-脱氧胸腺嘧啶脱氧核苷

5-甲基胞苷