title: Phosphorino(4,3-d)pyrimidines. 3. Synthesis, resolution, and properties of 4-substituted phosphorino(4,3-d)pyrimidines.
mesh_terms: D001965:Bromides; D008745:Methylation; D009943:Organophosphorus Compounds / Q000138:chemical synthesis*; D011743:Pyrimidines / Q000138:chemical synthesis*; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship
chemical_list: D001965:Bromides; D009943:Organophosphorus Compounds; D011743:Pyrimidines