6-Amino-3-fluoro-2-(trifluoromethoxy)pyridine-4-acetic acid
6-Bromo-2-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
6-Cyano-3-(difluoromethyl)-2-fluoro-4-nitropyridine
3-(Bromomethyl)-4-(difluoromethyl)-5-iodopyridine-2-acetic acid
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