2-(Difluoromethyl)-3-hydroxy-6-iodopyridine-5-acetonitrile
2-Chloro-6-(difluoromethyl)-3-nitropyridine-5-carboxamide
3-Bromo-2-nitro-6-(trifluoromethoxy)pyridine-5-sulfonamide
5-Bromo-2-(bromomethyl)-4-(difluoromethyl)pyridine-3-acetic acid
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