| http://www.w3.org/ns/prov#value | - The reaction product may then be recovered by extractive workup with a suitable organic solvent, such as methylene chloride, ethyl acetate and the like, or may be isolated, where possible, by cooling and, optionally seeding, the crude reaction mixture, thereby inducing crystallization of the neutral compound or its acid salt when that species is formed, and by subsequently collecting the product b
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