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