Methyl 6-(difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
3-(Difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-5-acetonitrile
5-(Difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-2-acetonitrile