Quality analysis of medical drugs from the vitamins group of heterocyclic row
Quality analysis of medical drugs from the vitamins group of heterocyclic row Derivatives of pyrimidine and thiazole Molecule of pyrimidine-thiazol vitamins (vitamins B1 – thiamines) consists of two heterocycles – pyrimidine (A) and thiazole (B) connected by a methylene group: In medical practice used thiamine hydrobromide, thiamine hydrochloride, diphosphate ester