5-(Difluoromethyl)-3-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine
5-Iodo-4-methoxy-3-methyl-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-acetic acid