An organic EL device is provided, including at least an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound represented by the following formula (1), wherein Ar.sub.1 to Ar.sub.8 and n1 are defined in the specification, and the electron transport layer contains a compound having a benzoazole ring structure represented by the following formula (2), wherein Ar.sub.9, Ar.sub.10, X, Y.sub.1, Z.sub.1 and Z.sub.2 are defined in the specification. ##STR00001## ##STR00002##

An organic EL device is provided, including at least an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound represented by the following formula (1), wherein Ar.sub.1 to Ar.sub.8 and n1 are defined in the specification, and the electron transport layer contains a compound having a benzoazole ring structure represented by the following formula (2), wherein Ar.sub.9, Ar.sub.10, X, Y.sub.1, Z.sub.1 and Z.sub.2 are defined in the specification. ##STR00001## ##STR00002##

The present specification relates to a double spiro structure compound, and an organic light emitting device comprising the same.

The present specification provides a compound having a spiro structure, and an organic light emitting device including the same.

The present specification provides a compound having a spiro structure, and an organic light emitting device including the same.

Compounds of formula (I), wherein the substituents are as defined in claim 1, and agrochemically acceptable salts and enantiomers thereof, can be used as insecticides.

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Compounds of formula (I), wherein the substituents are as defined in claim 1, and agrochemically acceptable salts and enantiomers thereof, can be used as insecticides.

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A fluorescent composition for the securement of a product, and the method for the securement of a product, which includes the step of preparing the fluorescent composition and a securement step by applying the fluorescent composition to at least a portion of the product. The fluorescent composition includes a polymer matrix incorporating at least a compound having formula I:

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A fluorescent composition for the securement of a product, and the method for the securement of a product, which includes the step of preparing the fluorescent composition and a securement step by applying the fluorescent composition to at least a portion of the product. The fluorescent composition includes a polymer matrix incorporating at least a compound having formula I:

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Described herein are compounds, methods of making such compounds, pharmaceutical compositions and medicaments comprising such compounds, and methods of using such compounds for inhibiting three prime repair exonuclease 1 (“TREX1”).