Patent ID: 11858950
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 4:
5. The compound of claim 1, wherein R3 and R4 are independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted pyrrolyl group, a substituted or unsubstituted thiophenyl group, a substituted or unsubstituted furanyl group, a substituted or unsubstituted selenophenyl group, a substituted or unsubstituted tellurophenyl group, a fused ring having two or more of a substituted or unsubstituted phenyl group, a substituted or unsubstituted pyrrolyl group, a substituted or unsubstituted thiophenyl group, a substituted or unsubstituted furanyl group, a substituted or unsubstituted selenophenyl group, a substituted or unsubstituted tellurophenyl group, or a combination thereof.