the nitrogen atom of at least one of the amino groups being part of any of the groups [IMAGE cpc-sch-C07C-0975.gif], X being a hetero atom, Y being any atom

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Sulfonic acids; Halides, esters, or anhydrides thereof > Sulfonic acids > having sulfo groups bound to acyclic carbon atoms > of an acyclic saturated carbon skeleton > containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton > containing amino groups bound to the carbon skeleton > the nitrogen atom of at least one of the amino groups being part of any of the groups [IMAGE cpc-sch-C07C-0975.gif], X being a hetero atom, Y being any atom