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