title: Gas chromatographic analysis of pharmaceuticals based on pyrimidine and purine substances.
mesh_terms: D000493:Allopurinol / Q000032:analysis*; D001380:Azauridine / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D005472:Fluorouracil / Q000031:analogs & derivatives / Q000032:analysis*; D012996:Solutions / Q000032:analysis; D013607:Tablets / Q000032:analysis
chemical_list: D012996:Solutions; D013607:Tablets; D000493:Allopurinol; D001380:Azauridine; D005472:Fluorouracil