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

Claim 4:
5. The compound of claim 4, wherein Ar1 is represented by Chemical Formula 4-1, and in Chemical Formula 4-1,
(1) X1 is —N—, and the rest are —CH—;
(2) X2 is —N—, and the rest are —CH—;
(3) X3 is —N—, and the rest are —CH—;
(4) X1 and X5 are —N—, X3 is —CH—, the rest are one of —CH— and —CR10— and R10 is a phenyl group or a pyridyl group;
(5) X1 and X3 are —N—, X5 is —CH—, the rest are one of —CH— and —CR10— and R10 is a phenyl group;
(6) X1 and X4 are —N—, and the rest are —CH—;
(7) X1, X3 and X5 are —N—, the rest are —CR10—, and R10 is a phenyl group; or
(8) X1, X3 and X5 are —N—, and the rest are —CH—.