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  1. J

    Synthetic ephedrine Chinese patent

    I'm really looking forward to your video on synthesizing ephedrine. Please split the DL to get L ephedrine.
  2. J

    dl-Ephedrine synthesis from 1-Phenyl-1,2-propandion

    Hello I want to ask if I have dl-Ephedrine can I get D methamphetamine through iodine red phosphorus or can I get DL methamphetamine
  3. J

    what do you need me for

    what do you need me for
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