4-Fluoro-5-hydroxy-3-(trifluoromethoxy)pyridine-2-acetic acid
2-Hydroxy-4-methoxy-6-(trifluoromethoxy)pyridine-3-methanol
4-Fluoro-2-iodo-6-nitro-3-(trifluoromethoxy)pyridine
2-Hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-6-methanol
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