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