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