2-(Bromomethyl)-3-cyano-4-(difluoromethyl)-6-nitropyridine
5-Chloro-3-(difluoromethyl)-4-methyl-2-nitropyridine
Ethyl 5-cyano-2-(difluoromethyl)-4-hydroxypyridine-3-acetate
3-Bromo-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylic acid
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