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