2-Fluoro-6-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine
4-Fluoro-5-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Fluoro-3-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine
6-Fluoro-3-hydroxy-4-methyl-2-(trifluoromethoxy)pyridine
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