3-Amino-4-nitro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Amino-6-(fluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine
3-Amino-2-nitro-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
Ethyl 3-amino-5-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate