1,1'-(Carbonyldi-4,1-phenylene)bis-1H-pyrrole-2,5-dione 1H-Pyrrole-2,5-dione, 1,1'-(carbonyldi-4,1-phenylene)bis- 4,4'-Bis(N-maleimido)benzophenone 4,4'-Bmbp 76702-27-7