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