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