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