> product > Diversity Oriented Building Blocks > By Structure > Fused Heterocycles + > Pyrazolo[4,3-b]pyridines
![6-chloro-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/11818_G_1528158631720.jpg)
6-chloro-1H-pyrazolo[4,3-b]pyridine
![6-bromo-1H-pyrazolo[4,3-b]pyridin-3-amine](images/201806/source_img/11748_G_1528158627065.jpg)
6-bromo-1H-pyrazolo[4,3-b]pyridin-3-amine
![ethyl 1H-pyrazolo[4,3-b]pyridine-6-carboxylate](images/201806/source_img/11566_G_1528158617835.jpg)
ethyl 1H-pyrazolo[4,3-b]pyridine-6-carboxylate
![5-bromo-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/10843_G_1528158582475.jpg)
5-bromo-1H-pyrazolo[4,3-b]pyridine
![3-bromo-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/10088_G_1528158549801.jpg)
3-bromo-1H-pyrazolo[4,3-b]pyridine
![5-chloro-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/10052_G_1528158548837.jpg)
5-chloro-1H-pyrazolo[4,3-b]pyridine
![ethyl 6-bromo-1H-pyrazolo[4,3-b]pyridine-3-carboxylate](images/201806/source_img/9876_G_1528158540329.jpg)
ethyl 6-bromo-1H-pyrazolo[4,3-b]pyridine-3-carboxylate
![ethyl 1H-pyrazolo[4,3-b]pyridine-3-carboxylate](images/201806/source_img/9865_G_1528158539769.jpg)
ethyl 1H-pyrazolo[4,3-b]pyridine-3-carboxylate
![6-bromo-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/9138_G_1528158302469.jpg)
6-bromo-1H-pyrazolo[4,3-b]pyridine
![1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/5070_G_1528157573829.jpg)
![1-Acetyl-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/5069_G_1528157573020.jpg)
1-Acetyl-1H-pyrazolo[4,3-b]pyridine
![Methyl 1H-pyrazolo[4,3-b]pyridine-6-carboxylate](images/201806/source_img/4716_G_1528157554187.jpg)
Methyl 1H-pyrazolo[4,3-b]pyridine-6-carboxylate
![7-chloro-6-fluoro-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/2039_G_1528157278974.jpg)
7-chloro-6-fluoro-1H-pyrazolo[4,3-b]pyridine
![6-fluoro-7-iodo-1H-pyrazolo[4,3-b]pyridin-3-amine](images/201806/source_img/2038_G_1528157277513.jpg)
6-fluoro-7-iodo-1H-pyrazolo[4,3-b]pyridin-3-amine
![6-fluoro-7-iodo-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/2036_G_1528157277587.jpg)
6-fluoro-7-iodo-1H-pyrazolo[4,3-b]pyridine
![7-iodo-1H-pyrazolo[4,3-b]pyridin-3-amine](images/201806/source_img/1994_G_1528157276948.jpg)
7-iodo-1H-pyrazolo[4,3-b]pyridin-3-amine
![7-iodo-1H-pyrazolo[4,3-b]pyridine](images/201806/source_img/1993_G_1528157275774.jpg)
7-iodo-1H-pyrazolo[4,3-b]pyridine
![5-Methyl-1H-pyrazolo[4,3-b]pyridin-7-ol](images/201806/source_img/1497_G_1528157251156.jpg)
5-Methyl-1H-pyrazolo[4,3-b]pyridin-7-ol