dob-fly dob-fly dob-fly is a recreational designer drug with psychedelic effects. it can be regarded as the alpha-methyl derivative of 2c-b-fly or the partially saturated counterpart of bromo-dragonfly. unlike bromo-dragonfly, dob-fly is only slightly more potent than dob itself, with an active dose in humans of around 1 mg. dob-flyidentifiers iupac name 1-(4-bromo-2,3,6,7-tetrahydrofurobenzofuran-8-yl)propan-2-amine cas number219986-75-1 ypubchem cid10017554chemspider8193127unii7fbg8dms2echemblchembl101008comptox dashboard (epa)dtxsid80434288 chemical and physical dataformulac13h16brno2molar mass298.180 g·mol−13d model (jsmol)interactive image smiles cc(cc1=c2ccoc2=c(c3=c1occ3)br)n inchi inchi=1s/c13h16brno2/c1-7(15)6-10-8-2-4-17-13(8)11(14)9-3-5-16-12(9)10/h7h,2-6,15h2,1h3key:fkrrevselfoldt-uhfffaoysa-n