2-Amino-3-(difluoromethyl)-6-iodopyridine-5-acetonitrile
3-(Difluoromethyl)-2-fluoro-6-iodopyridine-5-carboxylic acid
4-Chloro-2,6-dibromo-3-(trifluoromethoxy)pyridine
4-Chloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid
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