3-(Difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Difluoromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine-3-acetic acid
6-(Difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid
2-(Difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-5-acetic acid