title: C15-C18 isomers synthesized from [13C]-2,3,7,8-tetrachlorodibenzofuran via surface chlorination.
mesh_terms: D001572:Benzofurans; D055598:Chemical Phenomena; D002621:Chemistry; D002713:Chlorine; D002849:Chromatography, Gas; D007536:Isomerism
chemical_list: D001572:Benzofurans; D002713:Chlorine; C014211:2,3,7,8-tetrachlorodibenzofuran