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