2-Chloro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Chloro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Chloro-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Chloro-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
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