2-Fluoro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetic acid
2-(Chloromethyl)-5-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine
6-(Chloromethyl)-4-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-3-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine