2-(Difluoromethyl)-6-fluoro-3-nitropyridine-5-carboxylic acid
2-Bromo-6-fluoro-3-(trifluoromethoxy)pyridine-5-acetic acid
2-Mercapto-3-(perfluorophenyl)-6-(trifluoromethyl)pyridine
3-Bromo-4-fluoro-6-methyl-2-(trifluoromethoxy)pyridine
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