2-Chloro-3-(fluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine
3-Bromo-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-methanol
6-Bromo-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol
2-Bromo-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-methanol