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