1-(2,2-Diethoxyethyl)-6-(methylthio)-1H-pyrazolo(3,4-d)pyrimidin-4-amine 153901-71-4 1H-Pyrazolo(3,4-d)pyrimidin-4-amine, 1-(2,2-diethoxyethyl)-6-(methylthio)- 4-Amino-1-(2',2'-diethoxyethyl)-6-methylthio-1H-pyrazolo(3,4-d)pyrimidine 4-Amino-6-methylthio-1-(2',2'-diethoxyethyl)-1H-pyrazolo(3,4-d)pyrimidine