68391-13-9 Bis(propane-1,2-diyldiamine-N,N')silver(1+) bis(cyano-C)aurate(1-) EINECS 269-930-4 Silver propylenediamine gold cyanide Silver(1+), bis(1,2-propanediamine-kappaN,kappaN')-, (T-4)-, bis(cyano-kappaC)aurate(1-)