3-Cyano-5-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine
Methyl 6-(bromomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-(bromomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-5-acetate
3-Cyano-4-(difluoromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine