6-(Aminomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetic acid
4-(Chloromethyl)-2-iodo-6-nitro-3-(trifluoromethoxy)pyridine
2-(Aminomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid
4-(Chloromethyl)-2-iodo-3-nitro-6-(trifluoromethoxy)pyridine