Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device and display apparatus

A compound represented for an organic optoelectronic device, the compound being represented by Chemical Formula 1:

• wherein, in Chemical Formula 1,
• X1 to X3 are independently N or CRa,
• at least two of X1 to X3 are N,
• Y1 and Y2 are independently O or S,
• n1 and n2 are independently an integer of 0 or 1,
• Ra and R1 to R8 are independently hydrogen, deuterium, a cyano group, a nitro group, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof, and
• the “substituted” refers to replacement of at least one hydrogen by deuterium, a C1 to C20 alkyl group, a C6 to C30 aryl group, or a C2 to C30 heteroaryl group.