2,5-Dibromo-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
4-Nitro-2-(trifluoromethoxy)pyridine-5-carbonyl chloride
5-Iodo-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-Fluoro-5-(trifluoromethoxy)pyridine-2-carbonyl chloride
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