Methyl 2-hydroxy-5-methyl-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-(bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-hydroxy-5-methyl-4-(trifluoromethoxy)pyridine-3-acetate
2-(Fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylic acid