| http://www.w3.org/ns/prov#value | - As the high-boiling organic solvent used in the present invention, any compound other than compounds represented by formulae (A') to (E') can also be used if the compound has a melting point of 100??? C. or below and a boiling point of 140??? C. or over, and if the compound is incompatible with water and is a good solvent for the coupler.
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