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