having the nitrogen atom of the carboxamide group bound to hydrogen atoms or to acyclic carbon atoms

Full Title

Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups > having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton > having the nitrogen atom of the carboxamide group bound to hydrogen atoms or to acyclic carbon atoms