4-Amino-3-(difluoromethyl)-5-nitropyridine-2-acetic acid
3-Cyano-2-(difluoromethyl)-6-(trifluoromethyl)pyridine-5-carboxylic acid
2,5-Bis(2,4,5-trichlorophenyl)nicotinic acid
5-Chloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylic acid
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