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