4-Cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 2-hydroxy-4-iodo-3-(trifluoromethoxy)pyridine-6-acetate
4-Fluoro-5-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine