5-Bromo-3-(chloromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
3-Bromo-5-chloro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine
2-Amino-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-methanol
3-Bromo-5-(chloromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine