title: Behind the identification of China White.
mesh_terms: D005283:Fentanyl / Q000031:analogs & derivatives* / Q000032:analysis / Q000506:poisoning; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D013287:Illicit Drugs / Q000032:analysis* / Q000506:poisoning; D009682:Magnetic Resonance Spectroscopy; D004364:Pharmaceutical Preparations / Q000032:analysis*
chemical_list: D013287:Illicit Drugs; D004364:Pharmaceutical Preparations; C031638:alpha-methylfentanyl; D005283:Fentanyl