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