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