Synonyms: Iron,[8,20-dihydro-8,20-diphenyl-5,24:12,17-diimino-7,10:22,19-dinitrilodibenz[f,p][1,2,4,9,11,12,14,19]octaazacycloeicosinato(2-)-N25,N26,N27,N28]-,(SP-4-1)-;5,24:12,17-Diimino-7,10:22,19-dinitrilodibenz[f,p][1,2,4,9,11,12,14,19]octaazacycloeicosine,8,20-dihydro-8,20-diphenyl-, iron complex;5,24:12,17-Diimino-7,10:22,19-dinitrilodibenz[f,p][1,2,4,9,11,12,14,19]octaazacycloeicosine,iron deriv.