4-Amino-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-2-acetic acid
2-Bromo-3-chloro-4-(chloromethyl)-5-(trifluoromethoxy)pyridine
4-Bromo-3-hydroxy-2-(trifluoromethoxy)pyridine-6-acetic acid