Bisbenzimidazo(2,1-b:1',2'-j)benzo(lmn)(3,8)phenanthroline-6,9-dione, ethoxy-;Ethoxybisbenzimidazo(2,1-b:1',2'-j)benzo(lmn)(3,8)phenanthroline-6,9-dione;16-ethoxybisbenzimidazo[2,1-b:1',2'-j]benzo[lmn][3,8]phenanthroline-6,9-dione
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