3-Cyano-6-(difluoromethyl)-4-nitropyridine-2-carboxaldehyde
4-(Aminomethyl)-5-(difluoromethyl)-3-methylpyridine-2-carboxaldehyde
3-Bromo-2-chloro-4-fluoro-6-(trifluoromethoxy)pyridine
2-Fluoro-3-iodo-4-(trifluoromethoxy)pyridine-5-carboxylic acid
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