2-Hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-6-acetic acid
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