(1,1'-Bipyrrolidine)-2,2',5,5'-tetrone, 3,3'-bis(4-(1-methylethoxy)phenyl)- 115906-19-9 3,3'-Bis(4-(1-methylethoxy)phenyl)-(1,1'-bipyrrolidine)-2,2',5,5'-tetrone BRN 5663224 N,N'-Bis(p-isopropoxyphenylsuccinimide)