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