5-Amino-2-iodo-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Bromo-5-cyano-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine
2-Amino-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-Amino-5-iodo-2-(trifluoromethoxy)pyridine-3-carboxaldehyde