这个词是什么意思？
2-Amino-4-(ethylthio)butyric acid. An antimetabolite and methionine antagonist that interferes with amino acid incorporation into proteins and with cellular ATP utilization. It also produces liver neoplasms.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D005001 · MeSH 2026。
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