5-氮杂胞嘧啶核苷

5-氟胞嘧啶核苷

(1S,2Xi)-1-(2-氨基-4-氧代-4,7-二氢-1H-吡咯并[3,2-d]嘧啶-7-基)-1,4-脱水-D-苏-戊糖醇

3-beta-D-呋喃核糖基-噻唑并[4,5-d]嘧啶-2,7(3H,4H)-二酮

[3,4-dibenzoyloxy-5-(6-chloropurin-9-yl)oxolan-2-yl]methyl benzoate