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