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