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