HETEROCYCLIC COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT PREPARED USING THE SAME, AND ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC APPARATUS PREPARED USING THE SAME
PROBLEM TO BE SOLVED: To provide a novel material useful as an organic electroluminescent element material. SOLUTION: This invention relates to a heterocyclic compound wherein three five-membered rings are condensed on a benzene ring, and further, saturat
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Paragraph 0251; 0253
(2016/10/10)
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