Eurostat, Luxembourg. 29263000 (01/2002-..) Fenproporex (INN) and its salts, methadone (INN)-intermediate `4-cyano-2-dimethylamino-4,4-diphenylbutane`: CN 29263000 /Exports /Unit = Prices (Euro/ton) /Partner: Nigeria /Reporter: Eur15 /29263000:Fenproporex (Inn) and its Salts; Methadone (Inn)-intermediate `4-cyano-2-dimethylamino-4,4-diphenylbutane`.