abstract |
The present invention provides a formula (I) (wherein, R 1 , R 2 , R 3 and R 4 are each independently a hydrogen atom, an alkyl group, or a heteroaryl group, and R 1 , R 2 , R 3 and R 4 Are not a hydrogen atom at the same time), a light-emitting material containing at least one selected from the compound, and a light-emitting element containing the light-emitting material. |