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