胸苷溴代醇

3',5'-bis-O-(acetyl)-5-methylselenylmethyl-2'-deoxyuridine

3,5-双-O-乙酰胸苷

(5-bromomethyl)-3',5'-di-O-acetyl-2'-deoxyuridine

3',5'-bis-O-acetyl-5-(4-nitro-1H-imidazol-1-ylmethyl)-2'-deoxythymidine