2-(Difluoromethyl)-3-hydroxy-6-nitro-4-(trifluoromethoxy)pyridine
5-Hydroxy-2-methyl-4-(trifluoromethoxy)pyridine-3-methanol
5-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-methanol
2-(Difluoromethyl)-3-hydroxy-6-nitro-5-(trifluoromethoxy)pyridine
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