3-Amino-2-methoxy-4-(trifluoromethoxy)pyridine-6-acetic acid
2-Amino-4-(chloromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
2-Amino-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetonitrile
2-Amino-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile