Ethyl 2-(fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate
Ethyl 4-hydroxy-3-methyl-6-(trifluoromethoxy)pyridine-2-acetate
4-(Aminomethyl)-5-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
Ethyl 4-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine-6-acetate