Methyl 4-fluoro-6-methoxy-2-(trifluoromethoxy)pyridine-3-acetate
2-Hydroxy-5-methyl-4-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 5-fluoro-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetate
6-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-acetic acid