2-Bromo-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-acetic acid
2-Chloro-5-cyano-3-(difluoromethyl)-4-(trifluoromethyl)pyridine
2-Chloro-4-cyano-6-(difluoromethyl)-3-(trifluoromethyl)pyridine
2-Chloro-4-cyano-5-(difluoromethyl)-3-(trifluoromethyl)pyridine