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