(1,3'-BIPYRROLIDINE)-2,2',5,5'-TETRONE, 1'-(m-TOLYL)- (1,3'-Bipyrrolidine)-2,2',5,5'-tetrone, 1'-(3-methylphenyl)- 1'-(m-Tolyl)(1,3'-bipyrrolidine)-2,2',5,5'-tetrone 69557-05-7