title: Intermediates in the synthesis of purines and pteridines: selective hydrolysis of chloropyrimidines.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002854:Chromatography, Paper; D006868:Hydrolysis; D008722:Methods; D011621:Pteridines / Q000138:chemical synthesis*; D011687:Purines / Q000138:chemical synthesis*; D011743:Pyrimidines / Q000378:metabolism*; D013997:Time Factors
chemical_list: D011621:Pteridines; D011687:Purines; D011743:Pyrimidines