title: A concise synthesis of substituted 4-alkylaminopyrazolo(3,40d)pyrimidines.
mesh_terms: D000588:Amines / Q000138:chemical synthesis; D000970:Antineoplastic Agents / Q000138:chemical synthesis; D013058:Mass Spectrometry; D011720:Pyrazoles / Q000138:chemical synthesis; D011743:Pyrimidines / Q000138:chemical synthesis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000588:Amines; D000970:Antineoplastic Agents; D011720:Pyrazoles; D011743:Pyrimidines