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