Ethyl 5-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 4-(fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-(fluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-2-acetate
3-Iodo-2-nitro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride