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