Ethyl 4-chloro-1H-pyrrolo[3,2-c]pyridine-2-carboxylate
Ethyl 4-chloro-1H-pyrrolo[2,3-c]pyridine-3-carboxylate
Ethyl 8-iodo-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylate
5,6-Dihydro-1H-imidazo[4,5-d]pyridazine-4,7(3aH,7aH)-dione
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