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