Ethyl 6-chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-chloro-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate
3-Cyano-6-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine
5-Cyano-3-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine