Ethyl 2-amino-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
6-Amino-4-hydroxy-2-(trifluoromethoxy)pyridine-3-methanol
Methyl 5-amino-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Amino-4-(fluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine