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