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