115398-80-6 1H-Isoindole-1,3(2H)-dione, 2-((1-((diethylamino)methyl)-1H-benzimidazol-2-yl)methyl)- 2-((1-((Diethylamino)methyl)-1H-benzimidazol-2-yl)methyl)-1H-isoindole-1,3(2H)-dione