29708-36-9 38780-90-4 EINECS 254-127-3 Nickel(2+), tris(4,7-diphenyl-1,10-phenanthroline-N1,N10)-, (OC-6-11)-, dinitrate Tris(4,7-diphenyl-1,10-phenanthroline-N1,N10)nickel(2+) dinitrate