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