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