Ethyl 3-(chloromethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-(chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 5-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetate