1,3(2H,4H)-Isoquinolinedione, 2-(2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-4,4-dimethyl- 2-(2-(4-(2-Methoxyphenyl)piperazin-1-yl)ethyl)-4,4-dimethyl-(2H,4H)-isoquinoline-1,3-dione 2-(2-(4-(o-Methoxyphenyl)piperazine-1-yl)ethyl)-4,4-dimethyl-1,3(2H,4H)isoquinolinedione 67339-62-2 AR C239 AR-C239 ARC 239