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In the title salt, (C16H19N2)2[Ni(C4N2S2)2], the bis[dimercaptomaleodinitrilato(2-)-S,S']nickelate(II) anion and the two 4-(4-dimethylaminostyryl)-N-methylpyridinium cations are individually planar. The plane of the anion bisects the angle between the planes of the two independent cations.