Benzo[1,2-i,5,4-i']bisnaphtho[2,3-a]carbazole-5,10,15,17,19,24-hexone,4,11,23-tribenzamido-16,18-dihydro- (5CI);Dinaphtho[2,3-i:2',3'-i']benzo[1,2-a:5,4-a']dicarbazole, benzamide deriv.
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