mfpvp mfpvp mfpvp (3-methyl-4-fluoro-α-pyrrolidinovalerophenone) is a recreational designer drug from the substituted cathinone family, with stimulant effects. it was first identified in sweden in april 2020. mfpvplegal statuslegal status ca: schedule i de: npsg (industrial and scientific use only) uk: class b identifiers iupac name 1-(3-methyl-4-fluorophenyl)-2-(pyrrolidin-1-yl)pentan-1-one pubchem cid163195978chemspider107440848chemical and physical dataformulac16h22fnomolar mass263.356 g·mol−13d model (jsmol)interactive image smiles cccc(c(=o)c1ccc(f)c(c)c1)n1cccc1 inchi inchi=1s/c16h22fno/c1-3-6-15(18-9-4-5-10-18)16(19)13-7-8-14(17)12(2)11-13/h7-8,11,15h,3-6,9-10h2,1-2h3key:lftwwoqobqfpat-uhfffaoysa-n