2-Amino-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Bromo-5-chloro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 4-amino-3-iodo-2-(trifluoromethoxy)pyridine-6-carboxylate