4,5-Difluoro-2-(trifluoromethoxy)pyridine-3-methanol
4-Amino-6-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
5-Amino-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
4,5-Difluoro-3-(trifluoromethoxy)pyridine-2-methanol
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