Ethyl 3-(difluoromethyl)-2-iodo-4-(trifluoromethyl)pyridine-5-carboxylate
6-(Chloromethyl)-3-(difluoromethyl)-2-iodo-4-(trifluoromethyl)pyridine
Ethyl 2-(difluoromethyl)-5-iodo-3-(trifluoromethyl)pyridine-4-carboxylate
2-(Chloromethyl)-4-(difluoromethyl)-6-iodo-3-(trifluoromethyl)pyridine