3-Fluoro-4-hydroxypicolinaldehyde
2-(Aminomethyl)-3-bromo-5-(difluoromethyl)-4-iodopyridine
4-Cyano-6-(difluoromethyl)-2,3-dimethoxypyridine
2,4-Dichloro-5-(trifluoromethoxy)pyridine-3-methanol
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