| CPC C07D 487/14 (2013.01) [H10K 50/17 (2023.02); H10K 71/30 (2023.02); H10K 85/652 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02)] | 17 Claims |

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1. An organic compound having a structure represented by Formula I:
![]() wherein X1, X2, X3 and X4 are each independently selected from N or CR;
R, R1 and R2 are each independently selected from any one of hydrogen, halogen, cyano, isocyano, substituted or unsubstituted C1-C20 linear or branched alkyl, substituted or unsubstituted C1-C20 alkoxy, substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C2-C30 heteroaryl, C6-C30 ketoaryl, C4-C30 ketoheteroaryl, C6-C30 aryl sulfonyl, C6-C30 aryl phosphoroso, C3-C20 alkylsilyl, C6-C30 arylsilyl, a phosphino group, an acyl group, a carboxyl group, an ester group, a sulfonyl group or a sulfinyl group;
A1 and A2 are each independently selected from O, NR′ or CR″R″;
R′, R″ and R″ are electron withdrawing groups and each independently selected from any one of halogen, cyano, isocyano, R11-substituted C1-C20 linear or branched alkyl, R11-substituted C1-C20 alkoxy, R12-substituted C6-C30 aryl, substituted or unsubstituted C3-C30 heteroaryl, substituted or unsubstituted C6-C30 ketoaryl, substituted or unsubstituted C4-C30 ketoheteroaryl, substituted or unsubstituted C6-C30 aryl sulfonyl, substituted or unsubstituted C6-C30 aryl phosphoroso, an ester group, an acyl group, a carboxyl group, a phosphino group, a sulfo group, a sulfonyl group or a sulfinyl group;
R11 is each independently selected from at least one of halogen, cyano, isocyano or a sulfo group; and
R12 is each independently selected from at least one of halogen, cyano, isocyano, a sulfo group, halogenated C1-C20 linear or branched alkyl or halogenated C1-C20 alkoxy.
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