2-Nitro-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Amino-6-chloro-3-cyano-4-(difluoromethyl)pyridine
2-Chloro-3-chloromethyl-4-fluoropyridine
5-Bromo-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylic acid
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