Welcome to http://www.online chem forest .U-47700 is an opioid
sedative research chemical 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.U47700 for sale online. It is
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