4-Cyano-2-(difluoromethyl)-3-hydroxy-5-nitropyridine
4-(Bromomethyl)-2-chloro-3-(difluoromethyl)pyridine-6-acetic acid
5-Cyano-4-(difluoromethyl)-3-hydroxy-2-nitropyridine
Ethyl 3-(bromomethyl)-5-chloro-6-(difluoromethyl)pyridine-2-acetate
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