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