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