1,3,5-TRIAZINE DERIVATIVE, PROCESS FOR PRODUCING SAME, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME AS CONSTITUENT COMPONENT
A 1, 3, 5-triazine derivative represented by the formula (1) : wherein R1, R2 and R3 each independently represent a hydrogen atom or a methyl group; X represents a carbon atom or a nitrogen atom; Ar1 represents
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(2011/08/08)
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