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