> product > Diversity Oriented Building Blocks > By Structure > Fused Heterocycles + > Pyrazolo[3,4-d]pyrimidines
![3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine](images/201806/source_img/11845_G_1528158632033.jpg)
3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine
![4,6-dichloro-1H-pyrazolo[3,4-d]pyrimidine](images/201806/source_img/11838_G_1528158632379.jpg)
4,6-dichloro-1H-pyrazolo[3,4-d]pyrimidine
![3-bromo-6-(methylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidine](images/201806/source_img/11329_G_1528158605871.jpg)
3-bromo-6-(methylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidine
![6-(methylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidine](images/201806/source_img/11328_G_1528158605549.jpg)
6-(methylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidine
![4-chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine](images/201806/source_img/11128_G_1528158596500.jpg)
4-chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine
![3-iodo-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine](images/201806/source_img/11127_G_1528158596621.jpg)
3-iodo-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
![4,6-dichloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine](images/201806/source_img/10919_G_1528158586967.jpg)
4,6-dichloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine
![4-bromo-1H-pyrazolo[3,4-d]pyrimidine](images/201806/source_img/10615_G_1528158572268.jpg)
4-bromo-1H-pyrazolo[3,4-d]pyrimidine
![(3R)-1-boc-3-(4-amino-3-iodo-1h-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine](images/201806/source_img/10449_G_1528158564535.jpg)
(3R)-1-boc-3-(4-amino-3-iodo-1h-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine
![1H-pyrazolo[3,4-d]pyrimidin-4-amine](images/201806/source_img/10448_G_1528158564821.jpg)
1H-pyrazolo[3,4-d]pyrimidin-4-amine
![4-chloro-6-(trifluoromethyl)-1H-pyrazolo[3,4-d]pyrimidine](images/201806/source_img/9336_G_1528158519423.jpg)
4-chloro-6-(trifluoromethyl)-1H-pyrazolo[3,4-d]pyrimidine