5-(Difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetonitrile
Methyl 5-fluoro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylate
3-(Difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 4-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine-3-acetate