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