Acta Cryst. (2012). E68, o3363-o3364
[ doi:10.1107/S1600536812046363 ]

Dibenzo[b,g]indeno[1',2':3,4]fluoreno[1,2-d]oxonine-5,11,16,21-tetraone

S. K. Mohamed, M. Akkurt, M. N. Tahir, A. A. Abdelhamid and A. A. Marzouk

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