4-Amino-2-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3,4-Dimethoxy-2-(trifluoromethoxy)pyridine-5-acetic acid
2-Amino-5-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 3-amino-4-fluoro-2-(trifluoromethoxy)pyridine-6-carboxylate