5-Amino-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetic acid
3-Bromo-4-chloro-6-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-Bromo-4-chloro-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
3-Bromo-2-chloro-6-(difluoromethyl)-4-(trifluoromethyl)pyridine