这个词是什么意思？
A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of MORPHINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1082-3)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D008691 · MeSH 2026。
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