3-(Bromomethyl)-6-cyano-2-iodo-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-cyano-3-nitro-5-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-cyano-3-iodo-6-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-cyano-3-nitro-6-(trifluoromethoxy)pyridine
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