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