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