2-Hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-5-acetic acid
3-(Difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-4-acetic acid
2-Hydroxy-4-iodo-6-(trifluoromethoxy)pyridine-3-acetic acid