2-Amino-3-bromo-4-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Amino-6-fluoro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine
3-Amino-5-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
5-Amino-2-fluoro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine