U 47700 Powder is an opioid sedative research chemical developed by a team at Upjohn in the 1970s. U 47700 Powder was derived from an earlier opioid AH-7921. U 47700 Powder is selective for the µ-opioid receptor, having around 7.5 x the potency of morphine in animal models.
U 47700 Powder, also known as Pink, Pinky, U4, is a structural analogue and isomer of an opioid AH-7921 and acts as a strong analgesic drug used for the purpose of relief from pain. It exists in the form of powder