title: Synthesis of (1)benzothieno(3,2-d)pyrimidine derivatives.
mesh_terms: D007202:Indicators and Reagents; D008722:Methods; D011743:Pyrimidines / Q000138:chemical synthesis*; D013876:Thiophenes / Q000138:chemical synthesis
chemical_list: D007202:Indicators and Reagents; D011743:Pyrimidines; D013876:Thiophenes