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