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Salvinorin B methoxymethyl ether (2-''O''-methoxymethylsalvinorin B) is a semi-synthetic analogue of the natural product salvinorin A which is used in scientific research. It has a longer duration of action of around 2–3 hours, compared to less than 30 minutes for salvinorin A, and has increased affinity and potency at the κ-opioid receptor. Like the related compound herkinorin, salvinorin B methoxymethyl ether is made from salvinorin B, which is most conveniently made from salvinorin A by deacetylation, as while both salvinorin A and salvinorin B are found in the plant ''Salvia divinorum'', salvinorin A is present in larger quantities. Salvinorin B methoxymethyl ether has a Ki of 0.60 nM at the κ opioid receptor, and is around 5x more potent than Salvinorin A in animal studies, although it is still only half as potent as its stronger homologue Salvinorin B ethoxymethyl ether. == See also == * Salvinorin B ethoxymethyl ether * Herkinorin * RB-64 * Salvinorin A 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「Salvinorin B methoxymethyl ether」の詳細全文を読む スポンサード リンク
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