Methyl 2-amino-6-iodo-5-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 5-amino-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-amino-6-iodo-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-amino-2-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate