2-Fluoro-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-(Difluoromethyl)-3-hydroxy-6-iodo-2-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-2-hydroxy-6-iodo-3-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-4-hydroxy-2-iodo-6-(trifluoromethoxy)pyridine