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Hydromorphinol (RAM-320, 14-Hydroxydihydromorphine) is an opiate analogue that is a derivative of morphine, where the 14-position has been hydroxylated and the 7,8- double bond saturated. It has similar effects to morphine such as sedation, analgesia and respiratory depression, but is more potent and has a steeper dose-response curve and longer half-life. It is used in medicine as the bitartrate salt (free base conversion ratio 0.643, molecular weight 471.5) and hydrochloride (free base conversion ratio 0.770, molecular weight 393.9) Hydromorphinol was developed in Austria in 1932. It is available, and commonly used, as a medicine in Sweden; in the United States, it was never available and is classified as a Schedule I drug with a DEA ACSCN of 9301. Hydromorphinol is metabolised mainly in the liver in the same fashion as many other opioids and is itself a minor active metabolite of 14-Hydroxydihydrocodeine, an uncommonly-used opiate (but is therefore also an active metabolite of a first-order active metabolite of oxycodone). It is distributed under the trade name Numorphan in some countries, whereas this trade name is used for oxymorphone much more commonly. It is controlled under the Single Convention On Narcotic Drugs. ==See also== * Oxymorphol * N-Phenethylhydromorphinol (RAM-378) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「hydromorphinol」の詳細全文を読む スポンサード リンク
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