Ethyl 2-(difluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-5-acetate
Ethyl 2-(difluoromethyl)-3-iodo-5-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-(difluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine-4-acetate
3-(Chloromethyl)-2-(difluoromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine