2-Amino-3-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Amino-3-iodo-5-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Amino-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-Amino-2-iodo-4-(trifluoromethoxy)pyridine-3-carboxaldehyde