title: V-Triazolo(4,5-d)pyrimidines (8-azapurines). 13. Reaction of 8-azapurines with bifunctional nucleophiles.
mesh_terms: D001372:Aza Compounds; D009682:Magnetic Resonance Spectroscopy; D011687:Purines; D013056:Spectrophotometry, Ultraviolet; D014230:Triazoles / Q000138:chemical synthesis
chemical_list: D001372:Aza Compounds; D011687:Purines; D014230:Triazoles