Methyl 3-(bromomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-(bromomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-(bromomethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate
5-(Chloromethyl)-4-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine