MACRO-CYCLIC NOVEL LIGANDS HAVING NITROGEN ATOM IN THE CYCLE, A PROCESS OF THEIR PREPARATION, POLYMETALLIC COMPLEXES AND DIAGNOSTIC AS WELL AS THERAPEUTIC PREPARATIONS IN WHICH SAID LIGANDS ARE COMPRISED

摘要

ligands of general formula i, where b is a group of the formula = n - w, where w is a group of formula a or bwhere x and z are the rest of the heterocyklu; monometalicku00e9 and polymetalicku00e9 complexes arising from these ligands with metal ions from group lanthanidovu00fdch ions, transition metal ions, barium, bismuth,lead and radioisotopu016f. sup.99m.n.tc. sup.111.n.in,.sup.90.n.y. sup.64.n.cu and. sup.169.n.vb physiologically acceptable salts, as well as those complexes. substances are suitable in radiology and podobnu011b.u0155