having the nitrogen atom of at least one of the amino groups further bound to a carbon atom of another six-membered aromatic ring

Full Title

Compounds containing amino and hydroxy groups bound to the same carbon skeleton > having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton > of the same non-condensed six-membered aromatic ring > having the nitrogen atom of at least one of the amino groups further bound to a carbon atom of another six-membered aromatic ring