3-(Chloromethyl)-4-hydroxy-2-methyl-6-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-hydroxy-6-methyl-5-(trifluoromethoxy)pyridine
3-Iodo-2-methoxy-4-(trifluoromethoxy)pyridine-6-carbonyl chloride
4-(Chloromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid