5-溴-2',3'-O-异亚丙基尿苷

5'-O-tert-butyldiphenylsilyl-2',3'-O-isopropylideneuridine

1,2,3,4-tetrahydro-1-(2',3'-O-isopropylidenethymidyl)-quinoline

褪黑素

胸苷