2f-qmpsb 2f-qmpsb 2f-qmpsb (sgt-13) is an arylsulfonamide-based synthetic cannabinoid that is a fluorinated derivative of qmpsb and has been sold as a designer drug. its identification was first reported by a forensic laboratory in italy in january 2019, and it was made illegal in latvia shortly afterwards. fluorination of the tail group is a common strategy to increase potency at cannabinoid receptors which is seen in many related series of compounds. 2f-qmpsblegal statuslegal status ca: schedule ii de: npsg (industrial and scientific use only) uk: under psychoactive substances act identifiers iupac name 8-quinolinyl 4-methyl-3-benzoate pubchem cid155884739chemspider76714524chemical and physical dataformulac22h20f2n2o4smolar mass446.467 g·mol−13d model (jsmol)interactive image smiles fc1(f)ccn(cc1)s(=o)(=o)c2cc(ccc2c)c(=o)oc4cccc3cccnc34 inchi inchi=1s/c22h20f2n2o4s/c1-15-7-8-17(14-19(15)31(28,29)26-12-9-22(23,24)10-13-26)21(27)30-18-6-2-4-16-5-3-11-25-20(16)18/h2-8,11,14h,9-10,12-13h2,1h3key:joswckycxjmlnm-uhfffaoysa-n