4-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-methanol
5-(Bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
5-(Bromomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid