Methyl 4-amino-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Bromo-3-cyano-5-(trifluoromethoxy)pyridine-6-acetonitrile
Methyl 3-amino-5-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-amino-5-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate