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5-MMPA (it should technically be called 4-MMPA) or Mephedrene is 5-Methylmethiopropamine (It should technically be called 4-Methylmethiopropamine). It's dose range is 15mg to 70mg+. It's a Norepinephrine Dopamine reuptake inhibitor (NDRI stimulant). The effects lasts 5 hours to 7+ hours. It's similar to MPA and 3-Methylmethamphetamine and maybe 3-MMC.
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