| 摘要 |
PROBLEM TO BE SOLVED: To provide an electroluminescence element that is superior in luminous efficiency and emits in high brightness. SOLUTION: These are a compound and an electroluminescence element using the compound as expressed in the formula (1-A); in the formula, X1 to X25 show each independently hydrogen atom, halogen atom, straight chain, branch or cyclic alkyl group, straight chain, branch or cyclic alkoxy group, or substituted or non-substituted aryl group.
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