2-(Difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-Fluoro-3-hydroxy-4-nitro-5-(trifluoromethoxy)pyridine
2-Cyano-5-(difluoromethyl)-6-hydroxypyridine-3-carboxaldehyde
5-Methyl-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde