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