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