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