Dibenzo[b,d]pyrrole;Diphenylenimide;Diphenyleneimine;Dibenzo(b,d)pyrrole;SKF 20091;9H-Carbazole;Diphenylenimine;Dibenzopyrrole;9-Azafluorene;1/C12H9N/c1-3-7-11-9(5-1)10-6-2-4-8-12(10)13-11/h1-8,13;USAF EK-600;1.8-Naphthalic anhydride;DIBENZO PYRROLE;CARBAZOLE 98+%;
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