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