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发明人徐明华,王建平,韩伟. "Method for the Synthesis of 2-[(Aminocarbonyl)amino]propanedioic Acid 1,3-Diethyl Ester
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NSC 239756" [P]. 中国发明专利, 专利号 CN 116612573 A, 授权公告日 2025-04-26.
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