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