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