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