<i>catena</i>-Poly[[[bis(<i>O</i>,<i>O</i>′-diisobutyl dithiophosphato-κ<sup>2</sup><i>S</i>,<i>S</i>′)nickel(II)]-μ-1,2-bis(4-pyridylmethylene)hydrazine-κ<sup>2</sup><i>N</i>:<i>N</i>′] toluene disolvate]
Acta crystallographica. Section E