5-Bromo-3-cyano-2-methyl-4-(trifluoromethoxy)pyridine
5-Bromo-3-cyano-4-methyl-2-(trifluoromethoxy)pyridine
4-Bromo-3-cyano-6-methoxy-2-(trifluoromethoxy)pyridine
4-Bromo-3-cyano-5-methoxy-2-(trifluoromethoxy)pyridine
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