Typical dosage: few miligrams. Please be careful and do your research.

Buy online U-47700 research chemical powder comes also in crystals.It is an opioid analgesic drug developed by a team at Upjohn in the 1970s. U-47700 was derived from an earlier opioid AH-7921. U-47700 is selective for the µ-opioid receptor, having around 7.5 x the potency of morphine in animal models.