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