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