2-Hydroxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxaldehyde
3-Iodo-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-Hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxaldehyde
6-Iodo-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxaldehyde