153804-68-3 1H-Isoindole-1,3(2H)-dione, 2-(4-((2-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)ethyl)amino)butyl)- 8-((2-(N-(4-Phthalimidobutyl)amino)ethyl)oxy)thiochroman