Email zadetek: Bis[μ-N-(3-meth­oxy-2-oxidobenzyl­idene-1:2κ(2) O (2):O (2))-l-isoleucinato-2κ(2) N,O]bis­(1,10-phenanthroline-1κ(2) N,N′)dinickel(II) methanol tetra­solvate trihydrate