2-(Aminomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid
5-(Difluoromethyl)-2-hydroxy-3-methyl-6-(trifluoromethoxy)pyridine
3-(Chloromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Aminomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-4-acetic acid