15155-38-1 N,N'-(1,4-Piperazinediyldimethylene)bis(2-phenylsuccinimide) N,N'-Piperazyno-bis-metyloimid kwasu fenylobursztynowego [Polish] Succinimide, N,N'-(1,4-piperazinediyldimethylene)bis(2-phenyl-