(N,N-Bis(2-(bis(carboxymethyl)amino)ethyl)glycinato(5-))cobaltate(3-)-60Co trisodium 64103-55-5 Cobalt trisodium pentetate (Co-60) Cobaltate(3-)-60Co, (N,N-bis(2-(bis(carboxymethyl)amino)ethyl)glycinato(5-))-, trisodium