4-Chloro-6-hydroxy-3-iodo-2-(trifluoromethoxy)pyridine
4-Bromo-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
5-(Aminomethyl)-2-bromo-3-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Bromo-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetic acid