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