Methyl 5-(bromomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-acetate
6-(Difluoromethyl)-2-fluoro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
5-(Difluoromethyl)-4-fluoro-2-iodo-3-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-4-fluoro-5-iodo-2-(trifluoromethoxy)pyridine