2917398530
- Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
- Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
- Other
- Other
- Benzene-1,2:4,5-tetracarboxylic dianhydride (CAS RN 89-32-7)