Ethyl 3-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine-4-carboxylate
3-(Bromomethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-2-methanol
Ethyl 6-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-hydroxy-5-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate