4-Methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Methyl-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Methyl-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
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