2-(Ethylthio)-5-methylfuro(2,3-d)pyrimidin-4-amine monohydrobromide 2-Ethylmercapto-4-amino-5-methylfuro(2,3d)pyrimidine hydrobromide 66505-62-2 Furo(2,3-d)pyrimidin-4-amine, 2-(ethylthio)-5-methyl-, monohydrobromide