(S)-9-benzyl-1-butyl-3-((S)-cyclohexyl(hydroxy)methyl)-1,4,9-triazaspiro[5.5]undecane-2,5-dione

1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methylene-6-((methylselanyl)oxy)dihydropyrimidine-2,4(1H,3H)-dione

5-羟甲基脱氧尿苷

5-O-(二甲氧基三苯甲游基)-2-o-甲基-5-甲基尿苷

1-((2R,4S,5R)-4-羟基-5-(羟基甲基)四氢呋喃-2-基)-2,4-二氧代-1,2,3,4-四氢嘧啶-5-甲醛