Methyl 4-(difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 4-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-acetate
2-Hydroxy-3-iodo-6-nitro-5-(trifluoromethoxy)pyridine