Methyl 3-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine-6-acetate
Methyl 2-fluoro-6-hydroxy-5-(trifluoromethoxy)pyridine-3-acetate
5-(Aminomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 2-fluoro-6-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate