fluorolintane fluorolintane fluorolintane (also known as 2-fppp and 2-f-dppy) is a dissociative anesthetic drug that has been sold online as a designer drug. fluorolintanelegal statuslegal status de: npsg (industrial and scientific use only) uk: under psychoactive substances act identifiers iupac name 1-(1-(2-fluorophenyl)-2-phenylethyl)pyrrolidine pubchem cid137332216chemspider58838621uniis8l5p832b3chemical and physical dataformulac18h20fnmolar mass269.363 g·mol−13d model (jsmol)interactive image smiles fc1=c(c=cc=c1)c(cc2=cc=cc=c2)n3cccc3 inchi inchi=1s/c18h20fn/c19-17-11-5-4-10-16(17)18(20-12-6-7-13-20)14-15-8-2-1-3-9-15/h1-5,8-11,18h,6-7,12-14h2key:zagwvxyvnfpclw-uhfffaoysa-n fluorolintane and related diarylethylamines are antagonists of the nmda receptor and have been studied in vitro as potential treatments for neurotoxic injury, depression and as sympathomimetic.