5-(Bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 6-(bromomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
4-(Aminomethyl)-2-iodo-3-methyl-6-(trifluoromethoxy)pyridine
3-(Bromomethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-2-acetic acid