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