115398-79-3 1H-Isoindole-1,3(2H)-dione, 2-((1-((dimethylamino)methyl)-1H-benzimidazol-2-yl)methyl)- 2-((1-((Dimethylamino)methyl)-1H-benzimidazol-2-yl)methyl)-1H-isoindole-1,3(2H)-dione