2-Hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-4-carboxylic acid
6-Hydroxy-3-iodo-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Hydroxy-6-methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-(Aminomethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-acetic acid