5-Hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 4-(bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate
5-Hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 5-(bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate