2-Cl-Cord	2-chlorocordycepin
2-F-Ade	2-fluoroadenine
2-F-Ado	2-fluoroadenosine
2-F-Cord	2-fluorocordycepin
3′-dIno	3′-deoxyinosine
ADA	adenosine deaminase
Cord	cordycepin (3′-deoxyadenosine)
DMSO	dimethyl sulfoxide
HMBC	heteronuclear multiple bond correlation spectroscopy
HSQC	heteronuclear single quantum correlation spectroscopy
Hyp	hypoxanthine
Ino	inosine
KIE	kinetic isotope effects
PNP	purine nucleoside phosphorylase