4-(Bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-acetic acid
5-(Fluoromethyl)-4-iodo-2-methyl-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid
3-(Fluoromethyl)-2-iodo-6-methyl-5-(trifluoromethoxy)pyridine