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