Ethyl 2-(bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylate
6-(Fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
6-(Fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
Methyl 4-(bromomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate