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