4-Amino-2-methyl-6-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Bromo-3-fluoro-4-methoxy-2-(trifluoromethoxy)pyridine
4-Amino-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Amino-5-methyl-6-(trifluoromethoxy)pyridine-2-carboxylic acid