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