4-CL-PVP CRYSTAL is intently related in composition to the favored substituted cathinone ?-PVP. ?-PVP by itself was to start with produced while in the nineteen sixties. It rose to widespread recognition among cathinone aficionados in 2013 to be a material that had outcomes remarkably much like the stimulant MDPV (Methylenedioxypyrovalerone). E