2-Amino-6-(bromomethyl)-3-(difluoromethyl)pyridine-4-carboxylic acid
2-Bromo-4-cyano-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Cyano-4-(fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
4-Fluoro-5-methylpyridine-2-acetic acid
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