It is usually colloquially known as a flacca. ?-PVP is chemically connected with pyrovalerone and it is a ketone analogue of prolintan.“Flakka” is the street name for that artificial cathinone ?-pyrrolidinopentiophenone (?-PVP). Even though it was created by Boehringer Ingelheim for a central anxious procedure stimulant and pressor agent during