1H-Pyrrole-2,5-dione, 1-(1,1'-biphenyl)-4-yl- 4-21-00-04634 (Beilstein Handbook Reference) 58609-75-9 AI3-02979 BRN 0183921 MALEIMIDE, N-4-BIPHENYLYL- N-(4-Biphenylyl)maleimide