2-(Bromomethyl)-6-cyano-4-iodo-3-(trifluoromethoxy)pyridine
2-Cyano-3-(fluoromethyl)-6-iodo-4-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-cyano-2-iodo-5-(trifluoromethoxy)pyridine
4-Cyano-3-(difluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine
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