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