5-Hydroxy-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxaldehyde
3-Hydroxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxaldehyde
Methyl 3-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-hydroxy-6-nitro-5-(trifluoromethoxy)pyridine-3-carboxylate