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