3-Chloro-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-Chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Chloro-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Chloro-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxaldehyde