4-Chloro-6-methyl-1H-pyrazolo[3,4-d]pyrimidine
4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine
4-Chloro-1H-pyrazolo[3,4-d]pyrimidine
4-Chloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine
3-Bromo-4-chloro-1H-pyrazolo[3,4-d]pyrimidine
