History homework help. 3. give the following information about the analgesic drug ibuprofen: chemical names, molecular weight, molecular formula, structural formula, melting point, and a suitable recrystallization solvent. 4. Locate citations for one or more journal articles that give procedures for preparing a. aspirin b. propoxyphene (Darvon). Give the full name of each journal, the volume number, the page number and the year.
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