Ethyl 2-bromo-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-bromo-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Chloro-2-hydroxy-4-(trifluoromethoxy)pyridine-6-methanol
Methyl 5-bromo-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate