这个词是什么意思？
A monocyclic beta-lactam antibiotic originally isolated from Chromobacterium violaceum. It is resistant to beta-lactamases and is used in gram-negative infections, especially of the meninges, bladder, and kidneys. It may cause a superinfection with gram-positive organisms.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D001398 · MeSH 2026。
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