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