阿扎胞苷是胞苷的核苷類似物，其通過捕獲 DNA甲基轉(zhuǎn)移酶 特異性地抑制DNA甲基化。
(2R,3R,4R,5R)-2-(Acetoxymethyl)-5-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)tetrahydrofuran-3,4-diyl diacetate
6-Amino-1,3,5-triazin-2(1H)-one
1-Carbamoylguanidine
4-Amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,3,5-triazin-2(1H)-one
N-Cyanoguanidine
(2S,3R,4R,5R)-5-(Acetoxymethyl)tetrahydrofuran-2,3,4-triyl triacetate
Methyl carbamimidothioate
