methcatinones

  1. Rutherford

    Hydrobromic Acid?

    Hello everyone! I'm new here. I'm just a beginner hobbyist who wants to enter the world of chemistry. I would like to know if any of you know any way to synthesize the a-pvp precursor substances (for example: 48% hydrobromic acid, pyrrolidine and valerophenone). since in my country it's quite...
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