title: Methadone EMIT--structure versus reactivity.
mesh_terms: D000939:Epitopes; D007124:Immunoenzyme Techniques; D008691:Methadone / Q000031:analogs & derivatives / Q000032:analysis* / Q000276:immunology; D013329:Structure-Activity Relationship
chemical_list: D000939:Epitopes; D008691:Methadone