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