Ethyl 4-hydroxy-2-iodo-6-(trifluoromethoxy)pyridine-3-acetate
3-Hydroxy-5-iodo-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-(Fluoromethyl)-3-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine
Ethyl 3-hydroxy-5-iodo-6-(trifluoromethoxy)pyridine-2-acetate