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four Cl-PVP CRYSTAL is intently associated in framework to the favored substituted cathinone α-PVP. Α-PVP itself was initially produced in the 1960s. It rose to common reputation among cathinone aficionados in 2013 for a compound that had results remarkably much like the stimulant MDPV (Methylenedioxypyrovalerone). Equally of those chemicals were