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1-Methyl-7-(4-nitro-phen-yl)-3-phenyl-pyrazolo[3,4-b]pyrrolo[3,4-d]pyridine-6,8(3H,7H)-dione. 2008

Jose R Sabino, and Cecília M A Oliveira, and Carlos A M Fraga, and Eliezer J Barreiro, and Valéria de Oliveira, and Ricardo Menegatti

In the title compound, C(21)H(13)N(5)O(4), the dihedral angles formed between the planes of the phenyl and nitro-phenyl rings and that of the heterotricyclic plane are 41.29 (7) and 61.35 (6)°, respectively. In the crystal, weak C-H⋯O interactions help to establish the packing.

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