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