Methyl 5-(bromomethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
2-(Bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 4-(bromomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 5-(bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate