for the following products
1,1'-(Methylenebis(4,1-phenylene))bis(1H-pyrrole-2,5-dione) | 1,1'-(Methylenedi-4,1-phenylene)bismaleimide | 4,4'-Bismaleimidodiphenylmethane | 4,4'-Diphenylmethane bis-(maleimide) | 4,4'-Methylene-bis-(n-phenylmaleimide) | N,N'-(4,4'-Diphenylmethane)bismaleimide and Bismaleimide
