prov:value
| - Specifically, there are given, for example, the compound of transition metals such as V, Ti, Cr, Mo, Zr, Fe, Mn, Co, Ni, Pd, Ru, etc., and the compound includes halides, alkoxides, acetylacetonates, sulfonates, carboxylates, naphthenates, trifluoroacetates and stearates of these metals.
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