2-Methylmercapto-.delta.(sup 2)-tetrahydropyrimidinium iodide 5445-73-8 NSC22197 Pyrimidine, 1,4,5,6-tetrahydro-2-(methylthio)-, monohydriodide Pyrimidinium, 1,4,5,6-tetrahydro-2-methylthio-, iodide WLN: T6M CN BUTJ BS1 &IH