title: V-triazolo(4,5-d)pyrimidines (8-azapurines). IX. Some nucleophilic addition reactions.
mesh_terms: D001372:Aza Compounds; D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D011687:Purines; D011743:Pyrimidines; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship; D014230:Triazoles
chemical_list: D001372:Aza Compounds; D011687:Purines; D011743:Pyrimidines; D014230:Triazoles