4-(Difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-3-acetonitrile
Methyl 6-(fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate
4-(Difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-(Difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-5-acetic acid