5-(Difluoromethyl)-4-fluoro-2-methoxy-3-(trifluoromethoxy)pyridine
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