title: Interaction between methadone and ether peroxides to produce 1,5-dimethyl-3, 3-diphenyl-2-ethylidene-pyrrolidine the major cyclic metabolite of methadone.
mesh_terms: D002855:Chromatography, Thin Layer; D004347:Drug Interactions; D005554:Forensic Medicine; D006801:Humans; D008691:Methadone / Q000378:metabolism* / Q000652:urine; D010545:Peroxides / Q000378:metabolism*; D011759:Pyrrolidines / Q000096:biosynthesis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D010545:Peroxides; D011759:Pyrrolidines; D008691:Methadone