| ID | Name | CAS | Category | Last Update |
|---|---|---|---|---|
| 1 | Hydroquinone Diphathalic Anhydride (HQDP) | 17828-53-4 | Pei monomer | 2023-04-27 18:30:20 |
| 2 | 4,4'-Bisphenol A Dianhydride (BPADA) | 38103-06-9 | Pei monomer | 2023-04-27 18:30:20 |
| 3 | 4,4-Oxydiphthalic anhydride (ODPA) | 1823-59-2 | Pei monomer | 2023-04-27 18:30:20 |
| 4 | 4,4'-Thiodiphthalic anhydride (TDPA) | 25884-43-9 | Pei monomer | 2023-04-27 18:30:20 |