5-Fluoro-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid
Ethyl 4-chloro-1H-pyrazolo[3,4-b]pyridine-5-carboxylate
4-Chloro-2-hydrazinylpyridine dihydrochloride
Ethyl 3-oxo-3,4-dihydropyrido[2,3-b]pyrazine-2-carboxylate
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