Ethyl 3-(difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-4-acetate
4-(Difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 3-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-6-acetate
2-Fluoro-3-(fluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine