2917110040
- Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
- Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
- Oxalic acid, its salts and esters
- Diethyl oxalate (CAS RN 95-92-1)