4-(Chloromethyl)-2-(difluoromethyl)pyridine-3-carboxylic acid
2-Bromo-6-(difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-5-hydroxy-3-nitropyridine-2-carboxamide
6-(Bromomethyl)-4-cyano-2-methoxy-3-(trifluoromethoxy)pyridine
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