Methyl 3-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine-5-carboxylate
4-(Fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-methanol
Methyl 3-fluoro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylate
Methyl 5-fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylate