Bisbenzimidazo(2,1-b:2',1'-i)benzo(lmn)(3,8)phenanthroline-8,17-dione, ethoxy-;Ethoxybisbenzimidazo(2,1-b:2',1'-i)benzo(lmn)(3,8)phenanthroline-8,17-dione;6-ethoxybisbenzimidazo[2,1-b:2',1'-i]benzo[lmn][3,8]phenanthroline-8,17-dione
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