Ethyl 3-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-6-acetate
3-(Difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 3-(difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-2-acetate
2-Fluoro-6-(fluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine