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