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