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