| http://www.w3.org/ns/prov#value | - Examples of the cation Z+ in the organic boron compound represented by general formula (1) used according to the invention include quaternary ammonium cations, quaternary pyridinium cations, quaternary quinolinium cations, diazonium cations, tetrazonium cations, sulfonium cations, oxosulfonium cations, metal cations such as sodium, potassium, lithium, magnesium and calcium, (organic) compounds wit
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