4-Chloro-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Chloro-3-cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine
4-Chloro-6-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Bromo-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxaldehyde