Hexakis(dimethyl sulfoxide-κ<i>O</i>)zinc<i>mer</i>-aquatris(dimethyl sulfoxide-κ<i>O</i>)(ethanol-κ<i>O</i>)[octadecatungstodiphosphato(V)-κ<i>O</i>]zincate(II)–dimethyl sulfoxide–ethanol–water (2/4/2/3)
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