2,3-Dimethoxy-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2,6-Dimethyl-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Bromo-3,6-dimethyl-4-(trifluoromethoxy)pyridine
3,6-Dimethyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
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