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