6-(Difluoromethyl)-3-fluoro-2-nitro-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-fluoro-3-nitro-6-(trifluoromethoxy)pyridine
Ethyl 4-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine-2-carboxaldehyde