> product > Diversity Oriented Building Blocks > By Structure > Fused Heterocycles + > Pyrazolo[3,4-b]pyridines
![5-bromo-2-methyl-2H-pyrazolo[3,4-b]pyridine](images/201806/source_img/11882_G_1528158635838.jpg)
5-bromo-2-methyl-2H-pyrazolo[3,4-b]pyridine
![1-[(2-fluorophenyl)methyl]-3-iodo-1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/11858_G_1528158633438.jpg)
1-[(2-fluorophenyl)methyl]-3-iodo-1H-pyrazolo[3,4-b]pyridine
![1-(2-fluoro-benzyl)-1h-pyrazolo[3,4-b]pyridine-3-carboxamidine trihydrochloride](images/201806/source_img/10500_G_1528158567050.jpg)
1-(2-fluoro-benzyl)-1h-pyrazolo[3,4-b]pyridine-3-carboxamidine trihydrochloride
![tert-butyl 3-bromo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate](images/201806/source_img/9929_G_1528158542823.jpg)
tert-butyl 3-bromo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate
![tert-butyl 3-iodo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate](images/201806/source_img/9928_G_1528158542054.jpg)
tert-butyl 3-iodo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate
![1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid](images/201806/source_img/9843_G_1528158538037.jpg)
1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid
![5-nitro-1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/9842_G_1528158538074.jpg)
5-nitro-1H-pyrazolo[3,4-b]pyridine
![1-methyl-1H-pyrazolo[3,4-b]pyridin-5-amine](images/201806/source_img/9841_G_1528158538865.jpg)
1-methyl-1H-pyrazolo[3,4-b]pyridin-5-amine
![methyl 3-bromo-1H-pyrazolo[3,4-b]pyridine-5-carboxylate](images/201806/source_img/9840_G_1528158538059.jpg)
methyl 3-bromo-1H-pyrazolo[3,4-b]pyridine-5-carboxylate
![4-chloro-3-iodo-1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/9839_G_1528158538815.jpg)
4-chloro-3-iodo-1H-pyrazolo[3,4-b]pyridine
![methyl 3-iodo-1H-pyrazolo[3,4-b]pyridine-5-carboxylate](images/201806/source_img/9598_G_1528158529238.jpg)
methyl 3-iodo-1H-pyrazolo[3,4-b]pyridine-5-carboxylate
![5-bromo-N-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine](images/201806/source_img/9568_G_1528158528437.jpg)
5-bromo-N-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine
![1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/8984_G_1528158082195.jpg)
![5-bromo-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/7980_G_1528158033246.jpg)
5-bromo-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine
![3-(2,2,2-trifluoroethyl)-1H-pyrazolo[3,4-b]pyridin-5-amine](images/201806/source_img/7979_G_1528158033815.jpg)
3-(2,2,2-trifluoroethyl)-1H-pyrazolo[3,4-b]pyridin-5-amine
![5-nitro-3-(2,2,2-trifluoroethyl)-1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/7978_G_1528158033396.jpg)
5-nitro-3-(2,2,2-trifluoroethyl)-1H-pyrazolo[3,4-b]pyridine
![N,3-dimethyl-N-(methylcarbamoyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxamide](images/201806/source_img/7385_G_1528158004888.jpg)
N,3-dimethyl-N-(methylcarbamoyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxamide
![5-Methoxy-3-methyl-1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/5684_G_1528157602063.jpg)
5-Methoxy-3-methyl-1H-pyrazolo[3,4-b]pyridine
![5-Hydroxy-3-methyl-1H-pyrazolo[3,4-b]pyridine](images/201806/source_img/5683_G_1528157602798.jpg)
5-Hydroxy-3-methyl-1H-pyrazolo[3,4-b]pyridine
![3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde](images/201806/source_img/5682_G_1528157602991.jpg)
3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde