Methyl 2-bromo-3-cyano-5-(trifluoromethoxy)pyridine-4-carboxylate
4-Amino-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
4-Amino-6-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
5-Bromo-2-cyano-4-(trifluoromethoxy)pyridine-3-carboxylic acid