3-(Bromomethyl)-2-hydroxy-4-nitro-5-(trifluoromethoxy)pyridine
3-Hydroxy-5-iodo-4-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 2-(aminomethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-acetate
5-Hydroxy-4-iodo-2-(trifluoromethoxy)pyridine-3-acetic acid