| 摘要 |
An organic electroluminescent device, which comprises: a pair of electrodes; and an organic compound layer including a light-emitting layer between the pair of electrodes, wherein the organic compound layer comprises a compound represented by formula (I): wherein Z<SUB>1</SUB>, Z<SUB>2</SUB>, Z<SUB>3 </SUB>and Z<SUB>4 </SUB>each independently represents an atom selected from the group consisting of carbon, nitrogen, sulfur and oxygen and necessary for forming an unsaturated 6-membered ring skeleton, the atom may have a hydrogen atom or a substituent; a bond in the unsaturated 6-membered ring indicates a single bond or a double bond; and R<SUB>1 </SUB>represents a substituent.
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