title: [Tautomerism in a series of pharmaceutical pyrimidine derivative preparations].
mesh_terms: D011743:Pyrimidines / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D013237:Stereoisomerism
chemical_list: D011743:Pyrimidines
vernacular_title: Tautomeriia u riadi farmatsevtychnykh preparativ pokhidnykh pirymidynu.