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Benzimidazo[1,2-A]benzimidazole derivatives for electronic applications Grant 9,620,724 - Schaefer , et al. April 11, 2 | 2017-04-11 |
Metal Complexes Comprising Diazabenzmidazolocarbene Ligands and the Use Thereof in OLEDS App 20170025626 - Fuchs; Evelyn ;   et al. | 2017-01-26 |
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