Patent ID: 11903308
Assignee: IDEMITSU KOSAN CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 21:
22. The compound according to claim 16, wherein:
R1 to R24 are hydrogen atoms,
A1 is an unsubstituted (n+1)-valent residue of an aromatic hydrocarbon having 6 to 30 ring carbon atoms, or an unsubstituted (n+1)-valent residue of an aromatic heterocyclic compound having 5 to 30 ring atoms, and
A2 is an unsubstituted aryl group having 6 to 30 ring carbon atoms, or an unsubstituted heteroaryl group having 5 to 30 ring atoms.