Methyl 2-chloro-4-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-chloro-4-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Chloro-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Chloro-2-fluoro-3-nitro-5-(trifluoromethoxy)pyridine