Metal complex forming compound, metal complex compound formed thereof, radioactive drug containing the metal complex compound, and method of using and preparing the metal complex compound

摘要

Described are: [1] a compound or the like represented by the formula (1); [2] a compound or the like having a target molecule recognition element bound to the compound or the like described in the above [1]; and [3] a metal complex compound or the like having a metal selected from the group consisting of a radioactive metal and a radioactive atom-labeled metal, and the compound or the like described in the above [1] or [2] coordinated to the metal. Also described are uses of the compound or the like described in the above [1] or [2] or the metal complex compound or the like described in the above [3] in a radioactive drug, a radiotherapeutic agent or a radioactive diagnostic imaging agent.;