3-Chloro-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Cyano-6-fluoro-2-iodo-4-(trifluoromethoxy)pyridine
5-Chloro-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Chloro-3-fluoro-6-methoxy-2-(trifluoromethoxy)pyridine