2-Chloro-6-(fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
6-Chloro-3-(fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
2-Chloro-5-(fluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
6-Chloro-4-(fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine