Ethyl 3-chloro-5-cyano-2-(difluoromethyl)pyridine-6-carboxylate
3-(Bromomethyl)-5-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-(Difluoromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-Bromo-6-chloro-5-(trifluoromethoxy)pyridine-3-acetonitrile