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