6-Bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Chloro-2-cyano-3-methoxy-6-(trifluoromethoxy)pyridine
3-Chloro-5-cyano-6-methoxy-2-(trifluoromethoxy)pyridine
2-Bromo-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde