> product > Diversity Oriented Building Blocks > By Structure > Fused Heterocycles + > Pyrrolo[3,2-d]pyrimidines
![5H-pyrrolo[3,2-d]pyrimidin-4-amine](images/201806/source_img/11391_G_1528158609987.jpg)
5H-pyrrolo[3,2-d]pyrimidin-4-amine
![4-chloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine](images/201806/source_img/11182_G_1528158598104.jpg)
4-chloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine
![2,4-dichloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine](images/201806/source_img/10252_G_1528158557813.jpg)
2,4-dichloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine
![2-chloro-5-methyl-1H,4H,5H-pyrrolo[3,2-d]pyrimidin-4-one](images/201806/source_img/10251_G_1528158557314.jpg)
2-chloro-5-methyl-1H,4H,5H-pyrrolo[3,2-d]pyrimidin-4-one
![5H-pyrrolo[3,2-d]pyrimidine](images/201806/source_img/9818_G_1528158537137.jpg)
![7-bromo-4-chloro-5H-pyrrolo[3,2-d]pyrimidine](images/201806/source_img/9817_G_1528158537161.jpg)
7-bromo-4-chloro-5H-pyrrolo[3,2-d]pyrimidine
![4-chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid](images/201806/source_img/9816_G_1528158537469.jpg)
4-chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid
![ethyl 4-chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylate](images/201806/source_img/9654_G_1528158532815.jpg)
ethyl 4-chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylate
![4-chloro-5H-pyrrolo[3,2-d]pyrimidine](images/201806/source_img/9004_G_1528158297461.jpg)
4-chloro-5H-pyrrolo[3,2-d]pyrimidine
![4-chloro-5H-pyrrolo[3,2-d]pyrimidin-2-amine](images/201806/source_img/7553_G_1528158012888.jpg)
4-chloro-5H-pyrrolo[3,2-d]pyrimidin-2-amine
![3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one](images/201806/source_img/358_G_1528157206510.jpg)
3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one
![2-chloro-5H-pyrrolo[3,2-d]pyrimidine](images/201806/source_img/326_G_1528157205449.jpg)
2-chloro-5H-pyrrolo[3,2-d]pyrimidine
![2,4-dichloro-5H-pyrrolo[3,2-d]pyrimidine](images/201806/source_img/289_G_1528157204023.jpg)
2,4-dichloro-5H-pyrrolo[3,2-d]pyrimidine