2917398550
- 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
- 1,4,5,8-Naphthalenetetracarboxylic acid-1,8-monoanhydride (CAS RN 52671-72-4)