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