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