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Acta Cryst. (2005). E61, o2470-o2472  [ doi:10.1107/S1600536805021513 ]

Diethyl cis-1,2,3,4,5,10-hexahydro-6-iodo-1,4-dioxo-2,3,4a,10a-tetraazabenzo[g]cyclopent[cd]azulene-2a,10b-dicarboxylate

Y.-F. Chen, B.-H. Zhou, G.-D. Yin and A.-X. Wu

Abstract: The title compound, C18H19IN4O6, is a glycoluril derivative which contains four fused rings. An iodobenzene ring is fused to a seven-membered ring linked to two of the N atoms from the separate rings of the glycoluril system. The structure is stabilized by intermolecular hydrogen bonds and [pi]-[pi]-stacking interactions.

Online 9 July 2005

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