2-Chloro-6-hydroxy-4-(trifluoromethoxy)pyridine-3-acetic acid
4-Bromo-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Chloro-5-hydroxy-3-(trifluoromethoxy)pyridine-6-sulfonamide
4-Bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid