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