Ethyl 2-iodo-3-nitro-5-(trifluoromethoxy)pyridine-4-acetate
2-(Fluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 3-(fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-4-acetate
2-(Chloromethyl)-6-iodo-3-nitro-5-(trifluoromethoxy)pyridine