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