cobalt(3+),(6Z)-6-[[2-[[(Z)-(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]amino]ethylamino]methylidene]cyclohexa-2,4-dien-1-one,pyridine

(3-chloropyridine)(N,N'-ethylenebis(salicylideneaminato))cobalt(II)