with the carbon atom of at least one of the carboxyl groups bound to nitrogen atoms

Full Title

Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups > containing thio groups and carboxyl groups bound to the same carbon skeleton > having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton > with the carbon atom of at least one of the carboxyl groups bound to nitrogen atoms