2,2'-O-脱水-5-甲基尿嘧啶核苷

次黄嘌呤

(1R,10R,11S)-11-羟基-4-甲基-8,13-二氧杂-2,6-二氮杂三环[8.2.1.02,7]十三-3,6-二烯-5-酮

3'-O-{[2-(2-nitrophenyl)propoxy]carbonyl}thymidine

1-[(2R,4S,5R)-5-(hydroxymethyl)-4-[2-(4-hydroxyphenyl)-2-oxoethoxy]tetrahydrofuran-2-yl]-5-methylpyrimidine-2,4-dione