5'- Azido- 5'- deoxyguanosine ( 5'-N₃-Guo )
2', 3'- O- para- Anisylideneguanosine
3'- Azido- 3'- deoxyadenosine ( 3'-N₃-Ado )
3'- Azido- 3'- deoxyguanosine ( 3'-N₃-Guo )
8- Bromo- 2', 3', 5'- tri- O- acetylguanosine
8- (3- Butynylthio)adenosine ( 8-Bu(3-yne)T-Ado )
7- Cyano- 7- deazainosine ( 7-CN-7-C-Ino / Jaspamycin )