Synonyms: 1H-Naphth(2,3-f)isoindole-1,3,5,10(2H)-tetrone, 4,11-diamino-2-(2,3-diphenylpropyl)-;4,11-Diamino-2-(2,3-diphenylpropyl)-1H-naphth(2,3-f)isoindole-1,3,5,10(2H)-tetrone;4,11-diamino-2-(2,3-diphenylpropyl)-1H-naphtho[2,3-f]isoindole-1,3,5,10(2H)-tetrone