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