CPC C07D 409/14 (2013.01) [C07D 495/04 (2013.01); H10K 85/653 (2023.02); H10K 85/655 (2023.02); H10K 85/657 (2023.02); H01G 9/2059 (2013.01); H10K 30/30 (2023.02)] | 20 Claims |
1. A compound according to formula (I)
![]() wherein
X1 and X2 are each independently selected from the group consisting of oxygen, sulfur and selenium,
R1 and R2 are each independently selected from the group consisting of substituted thiophene and selenophene residues.
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