61128-45-8 | 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7- tetrone,polymer with 1,3-benzenediamine and 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]- bis[1,3-isobenzofurandione] |
61128-47-0 | 1,3-Isobenzofurandione, 5,5-(1-methylethylidene)bis(4,1-phenyleneoxy)bis-, polymer with 1,4-benzenediamine | C37H28N2O8 |
61128-25-4 | Poly[(1,3-dihydro-1,3-dioxo-2H-isoindole-5,2- diyl)-1,4-phenylene(1,3-dihydro-1,3-dioxo- 2H-isoindole-2,5-diyl)oxy-1,4-phenylene(1- methylethylidene)-1,4-phenyleneoxy] |
61128-46-9 | POLYETHERIMIDE | C37H28N2O8 |