2-Amino-4-fluoro-6-(trifluoromethoxy)pyridine-3-sulfonamide
3-Amino-2-methyl-5-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Amino-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Amino-2-(fluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine