这个词是什么意思？
A group of broad-spectrum antibiotics first isolated from the Mediterranean fungus ACREMONIUM. They contain the beta-lactam moiety thia-azabicyclo-octenecarboxylic acid also called 7-aminocephalosporanic acid.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002511 · MeSH 2026。
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