5-O-(4,4-二甲氧基三苯甲游基)-2,3-脱水胸腺嘧啶脱氧核苷

ddU-2,5'-anhydro-5-Me

5-Methyl-2-((S)-5-phenylselanyl-tetrahydro-furan-2-ylmethoxy)-4-(2-trimethylsilanyl-ethoxy)-pyrimidine

5'-O-acetyl-3'-O-methoxythiocarbonylthimidine

((2R,3S,5R)-3-((1H-imidazole-1-carbonothioyl)oxy)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate