3f-pvp 3f-pvp 3-fluoro-α-pyrrolidinovalerophenone (3f-pvp) is a recreational designer drug from the substituted cathinone family with stimulant effects, which first appeared on the illicit market in around 2018. it is illegal in finland. not to be confused with 3f-pcp. 3-fluoro-α-pvplegal statuslegal status ca: schedule i de: npsg (industrial and scientific use only) uk: class b identifiers iupac name 1-(3-fluorophenyl)-2-(pyrrolidin-1-yl)pentan-1-one cas number2725852-55-9pubchem cid137700196chemspider107437100chemical and physical dataformulac15h20fnomolar mass249.329 g·mol−13d model (jsmol)interactive image smiles cccc(c(=o)c1cccc(f)c1)n1cccc1 inchi inchi=1s/c15h20fno/c1-2-6-14(17-9-3-4-10-17)15(18)12-7-5-8-13(16)11-12/h5,7-8,11,14h,2-4,6,9-10h2,1h3key:gpaalplkxrjjde-uhfffaoysa-n