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