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