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