2-Bromo-5-chloro-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Bromo-6-chloro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine
4-Bromo-5-chloro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine
4-Bromo-3-chloro-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine