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