> product > Diversity Oriented Building Blocks > By Structure > Fused Heterocycles +
![7-iodo-5-(4-methylbenzenesulfonyl)-5H-pyrrolo[2,3-b]pyrazine](images/201806/source_img/12019_G_1528158642639.jpg)
7-iodo-5-(4-methylbenzenesulfonyl)-5H-pyrrolo[2,3-b]pyrazine
![2h-benzo[a]quinolizin-2-one, 1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-, (3r,11br)-rel-](images/201806/source_img/11982_G_1528158640568.jpg)
![2-sulfanylidene-1h,2h,3h,4h-pyrido[3,4-d]pyrimidin-4-one](images/201806/source_img/11966_G_1528158639184.jpg)
2-sulfanylidene-1h,2h,3h,4h-pyrido[3,4-d]pyrimidin-4-one
![5-benzyl-octahydro-1H-pyrrolo[3,4-c]pyridine](images/201806/source_img/11961_G_1528158639188.jpg)
5-benzyl-octahydro-1H-pyrrolo[3,4-c]pyridine
![6-chloroimidazo[1,2-b]pyridazin-3-amine](images/201806/source_img/11956_G_1528158638892.jpg)
6-chloroimidazo[1,2-b]pyridazin-3-amine
6-cyano-1H-indole-3-carboxylic acid
3-formyl-1H-indole-6-carbonitrile
Ethyl 6-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride
![7-bromo-3H,4H-imidazo[2,1-f][1,2,4]triazin-4-one](images/201806/source_img/11926_G_1528158637131.jpg)
7-bromo-3H,4H-imidazo[2,1-f][1,2,4]triazin-4-one
![3H,4H-imidazo[4,3-f][1,2,4]triazin-4-one](images/201806/source_img/11924_G_1528158637787.jpg)
3H,4H-imidazo[4,3-f][1,2,4]triazin-4-one
![5-bromo-3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one](images/201806/source_img/11901_G_1528158635476.jpg)
5-bromo-3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one
![tert-butyl 2,4-dihydroxy-5H,6H,7H,8H-pyrido[4,3-d]pyrimidine-6-carboxylate](images/201806/source_img/11898_G_1528158635230.jpg)
tert-butyl 2,4-dihydroxy-5H,6H,7H,8H-pyrido[4,3-d]pyrimidine-6-carboxylate
![imidazo[1,2-a]pyridin-3-amine](images/201806/source_img/11895_G_1528158635197.jpg)
4-hydroxy-1,2,5,6,7,8-hexahydroquinolin-2-one
![3H,4H-pyrido[3,2-d]pyrimidin-4-one](images/201806/source_img/11892_G_1528158635814.jpg)
3H,4H-pyrido[3,2-d]pyrimidin-4-one
![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
![7-bromopyrrolo[2,1-f][1,2,4]triazin-4-amine](images/201806/source_img/11878_G_1528158634780.jpg)
7-bromopyrrolo[2,1-f][1,2,4]triazin-4-amine
![pyrrolo[2,1-f][1,2,4]triazin-4-amine](images/201806/source_img/11877_G_1528158634196.jpg)
pyrrolo[2,1-f][1,2,4]triazin-4-amine
1-methyl-5-nitro-1H-indazole-3-carboxylic acid
