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