| http://www.w3.org/ns/prov#value | - When a solid product is attained, said solid product can be purified by washing or recrystallization by techniques which are well known to those skilled in the art, e.g., the solid product can be washed with water or organic solvents such as benzene, toluene, methanol, ethanol, etc., or crystallized from said solvent.
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