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