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