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