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