2,6-Dimethoxypyridine-3-carboxaldehyde
Ethyl 3-iodo-8-nitroimidazo[1,2-a]pyridine-2-carboxylate
Pyrrolo[1,2-b]pyridazine-6-carboxylic acid
Ethyl 2-bromo-8-hydroxypyrido[3,2-d]pyrimidine-7-carboxylate
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