Bis[8-ethyl-5-oxo-2-(piperazin-4-ium-1-yl)-5,8-dihydro­pyrido[2,3-d]pyrimidine-6-carb­oxy­lic acid] 2,5-dicarb­oxy­benzene-1,4-di­carboxyl­ate octa­hydrate

Zhang, G.-J.; He, J.-H.; Yan, S.-W.; Ye, Z.-L.; Xin, G.-H.

doi:10.1107/S1600536811011068

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 1 The structure of 1. Displacement ellipsoids are drawn at the 30% probability level. H atoms have been omitted for clarity. [Symmetry code: −x,-y + 2, −z + 1].

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 67| Part 4| March 2011| Pages o1011-o1012

doi:10.1107/S1600536811011068

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