2-Amino-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
6-Amino-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Bromo-6-cyano-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-Bromo-3-cyano-4-(trifluoromethoxy)pyridine-2-acetonitrile