3,5-Bis(trifluoromethyl)pyridine-2-sulfonyl chloride
2,6-Bis(trifluoromethyl)pyridine-4-carbonyl chloride
3,4-Bis(trifluoromethyl)pyridine-2-sulfonyl chloride
2,5-Bis(trifluoromethyl)pyridine-4-carbonyl chloride
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