title: [Gas chromatographic analysis of pyrimidine and purine bases by retention indices (author's transl)].
mesh_terms: D002849:Chromatography, Gas / Q000379:methods*; D011687:Purines / Q000032:analysis*; D011743:Pyrimidines / Q000032:analysis*; D013329:Structure-Activity Relationship
chemical_list: D011687:Purines; D011743:Pyrimidines