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