4-Amino-6-chloro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Amino-2-chloro-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 4-amino-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-amino-6-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate