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