Diaqua­(5-carb­oxy­benzene-1,3-dicarboxyl­ato-κO1)[8-ethyl-5-oxo-2-(piperazin-4-ium-1-yl)-5,8-dihydro­pyrido[2,3-d]pyrimidine-6-carboxyl­ato-κ2O5,O6]zinc monohydrate

Ye, Z.-L.; Xin, G.-H.; Zhang, F.-T.; Xiao, D.-R.

doi:10.1107/S1600536813002122

Figure 1 View of the title compound showing the atomic numbering and 30% probability displacement ellipsoids. H atoms have been omitted for clarity.