Patent ID: 11910712
Assignee: LT MATERIALS CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 6:
7. The compound of claim 4, wherein Ar1 is represented by Chemical Formula 4-3, and in Chemical Formula 4-3,
(1) X13 is —N—, and the rest are —CH—;
(2) X14 is —N—, and the rest are —CH—;
(3) X15 is —N—, and the rest are —CH—;
(4) X17 is —N—, and the rest are —CH—;
(5) X18 is —N—, and the rest are —CH—;
(6) X19 is —N—, and the rest are —CH—; or
(7) X13 and X19 are —N—, and the rest are —CH—.