help on a lab report for chem 191

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nroyle
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help on a lab report for chem 191

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I have a lab report due in essay form on the chemical difference between methamphetamines and cocain. I am supposed to describe how each is chemically structured and how a narcotics investigator can tell which one is which when tested in a lab. Can you please help me find the chemical formula for each, and if possible the chemical equation for crystalizing each of them.
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