(3-Acetyl-5-carboxylato-4-methyl-1<i>H</i>-pyrazol-1-ido-κ<sup>2</sup><i>N</i><sup>1</sup>,<i>O</i><sup>5</sup>)aqua[(pyridin-2-yl)methanamine-κ<sup>2</sup><i>N</i>,<i>N</i>′]copper(II)
Acta crystallographica. Section E