27999-47-9
5'-O-(DIMETHOXYTRITYL)-5-(PROPARGYLOXY)-2'-DEOXYURIDINE
→
84364-99-8
1-[5-(dimethylarsanylsulfanylmethyl)-4-hydroxyoxolan-2-yl]pyrimidine-2,4-dione
84365-00-4
5-acetylthio-2',5'-dideoxyuridine