5-Bromo-4-(difluoromethyl)-3-nitropyridine-2-acetic acid
2-(Bromomethyl)-4-chloro-5-cyano-3-(difluoromethyl)pyridine
4-Bromo-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetic acid
3-Chloro-5-cyano-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
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