2-Amino-4-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
Ethyl 2-amino-4-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-amino-4-fluoro-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-amino-3-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxylate