Synonyms: Copper(1+), bis(1,2-ethanediamine-kappaN1,kappaN2)-, (T-4)-, bis(cyano-kappaC)argentate(1-) (1:1);Bis(ethane-1,2-diamine-N,N')copper(1+) bis(cyano-C)argentate(1-);Copper(1+), bis(1,2-ethanediamine-kappaN,kappaN')-, (T-4)-, bis(cyano-kappaC)argentate(1-);copper(1+) silver(1+) cyanide - ethane-1,2-diamine (1:1:2:2)