4-(Aminomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-5-acetic acid
5-Chloro-2-methoxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-Chloro-5-methoxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-Chloro-3-methoxy-5-(trifluoromethoxy)pyridine-2-acetic acid