3-fluorodeschloroketamine 3-fluorodeschloroketamine 3-fluorodeschloroketamine (3f-dck, 3-fdck, fxm) is a recreational designer drug related to ketamine. it is from the arylcyclohexylamine family and has dissociative effects. it was made illegal in finland in august 2019. 3-fluorodeschloroketamineidentifiers iupac name 2-(3-fluorophenyl)-2-methylamino-cyclohexanone cas number2657761-23-2pubchem cid156538475chemical and physical dataformulac13h16fnomolar mass221.275 g·mol−13d model (jsmol)interactive image smiles cnc1(ccccc1=o)c1cccc(f)c1 inchi inchi=1s/c13h16fno/c1-15-13(8-3-2-7-12(13)16)10-5-4-6-11(14)9-10/h4-6,9,15h,2-3,7-8h2,1h3key:slrwgptwjajhdf-uhfffaoysa-n