1,1'-(1,2-Ethanediyl)bis(3-(4-(1-methylethoxy)phenyl)-2,5-pyrrolidinedione) 115906-24-6 2,5-Pyrrolidinedione, 1,1'-(1,2-ethanediyl)bis(3-(4-(1-methylethoxy)phenyl)- BRN 5674698