title: An anomalous reaction of methadone with chloroformate esters.
mesh_terms: D001711:Biotransformation; D055598:Chemical Phenomena; D002621:Chemistry; D002725:Chloroform; D004952:Esters; D008691:Methadone; D013696:Temperature
chemical_list: D004952:Esters; D002725:Chloroform; D008691:Methadone