Crystal structure of chlorido{1-(2,3-dimethyl-5-oxido-1-phenyl-1<i>H</i>-pyrazol-2-ium-4-yl-κ<i>O</i>)-2-[3-methyl-5-oxo-1-phenyl-4,5-dihydro-1<i>H</i>-pyrazol-4-ylidene-κ<i>O</i>]hydrazin-1-ido-κ<i>N</i><sup>1</sup>}copper(II) from laboratory X-ray powder data
Acta crystallographica. Section E, Crystallographic communications